diff --git a/packages/arp-mirage/arp-mirage.1.0.0/opam b/packages/arp-mirage/arp-mirage.1.0.0/opam
index d7ff2d603d7..c2f4682ffa6 100644
--- a/packages/arp-mirage/arp-mirage.1.0.0/opam
+++ b/packages/arp-mirage/arp-mirage.1.0.0/opam
@@ -40,3 +40,4 @@ url {
     "md5=40768ca09b10c6b91e8b3a420b075a0e"
   ]
 }
+flags: deprecated
diff --git a/packages/arp-mirage/arp-mirage.2.0.0/opam b/packages/arp-mirage/arp-mirage.2.0.0/opam
index f2c20723bbd..fbeeccb17c8 100644
--- a/packages/arp-mirage/arp-mirage.2.0.0/opam
+++ b/packages/arp-mirage/arp-mirage.2.0.0/opam
@@ -41,3 +41,4 @@ url {
     "md5=50bbe0aba0ee6527d56306f04402accf"
   ]
 }
+flags: deprecated
diff --git a/packages/arp-mirage/arp-mirage.2.1.0/opam b/packages/arp-mirage/arp-mirage.2.1.0/opam
index 5695a5df72c..5cf794f8160 100644
--- a/packages/arp-mirage/arp-mirage.2.1.0/opam
+++ b/packages/arp-mirage/arp-mirage.2.1.0/opam
@@ -41,3 +41,4 @@ url {
     "sha512=7add4366202d671bf9e3013eedf699450611229bbd938d1dced449308c25a3afd5f6f53ec3a5969c756c95400cceb95cadb145ac04d2983db4a23e07801c86d5"
   ]
 }
+flags: deprecated
diff --git a/packages/arp-mirage/arp-mirage.2.2.0/opam b/packages/arp-mirage/arp-mirage.2.2.0/opam
index f33c7514647..d1d07cf712f 100644
--- a/packages/arp-mirage/arp-mirage.2.2.0/opam
+++ b/packages/arp-mirage/arp-mirage.2.2.0/opam
@@ -41,3 +41,4 @@ url {
     "sha512=ddf5e6ab3440095e7fb5b30262d8cd0d4d9ef0d5210bc867c28ed10ade15d43df7d14cd0559584eb834d03791469f17e3a0132bd718ea9b7f472c8b1d4662ffd"
   ]
 }
+flags: deprecated
diff --git a/packages/arp-mirage/arp-mirage.2.2.1/opam b/packages/arp-mirage/arp-mirage.2.2.1/opam
index 32c0aacf0a2..92fcf49472f 100644
--- a/packages/arp-mirage/arp-mirage.2.2.1/opam
+++ b/packages/arp-mirage/arp-mirage.2.2.1/opam
@@ -40,3 +40,4 @@ url {
     "sha512=3f1288af400614045061692ffc4e315bbe1fde71262281fa6f65b71cf4640e4622808c9ac0706bb3fd9c9d57be59d82955a0c0f28f8ec52f0232dfee10adb20d"
   ]
 }
+flags: deprecated
diff --git a/packages/awa-lwt/awa-lwt.0.0.1/opam b/packages/awa-lwt/awa-lwt.0.0.1/opam
index 6a7c421b9e5..f11f9307fab 100644
--- a/packages/awa-lwt/awa-lwt.0.0.1/opam
+++ b/packages/awa-lwt/awa-lwt.0.0.1/opam
@@ -34,3 +34,4 @@ url {
     "sha512=bcd6f9b9481fc8c80756164e47ce20d6dea07daac2d44d89c3cbb340cdc401d1114fe27a789f9ed7de2669bcb537d5f684bf01ee310713891a417e1725df1262"
   ]
 }
+flags: deprecated
diff --git a/packages/awa-lwt/awa-lwt.0.0.2/opam b/packages/awa-lwt/awa-lwt.0.0.2/opam
index 196686cc9a8..41267ea4c7d 100644
--- a/packages/awa-lwt/awa-lwt.0.0.2/opam
+++ b/packages/awa-lwt/awa-lwt.0.0.2/opam
@@ -34,3 +34,4 @@ url {
     "sha512=779aa5061b05eb0d8f46df54814509e924c175690faf9805e18c5be1556928e983e84afaf029be33025e37d2f5efbe882cf39dfda380c79a2eda7debc2c94440"
   ]
 }
+flags: deprecated
diff --git a/packages/awa-lwt/awa-lwt.0.0.3/opam b/packages/awa-lwt/awa-lwt.0.0.3/opam
index a3cd676da10..72f74cbfe7f 100644
--- a/packages/awa-lwt/awa-lwt.0.0.3/opam
+++ b/packages/awa-lwt/awa-lwt.0.0.3/opam
@@ -34,3 +34,4 @@ url {
     "sha512=3b4165339ae17a89a6744bfb8a879c77614a8ed0e40bc755bd52a5512e80af1d7d2f9f019eeeb29f40e28d122e5d9a0e450ce26bcf91bc9ee89e32485bbcdeda"
   ]
 }
+flags: deprecated
diff --git a/packages/awa-lwt/awa-lwt.0.0.4/opam b/packages/awa-lwt/awa-lwt.0.0.4/opam
index d57199ea786..ec52b7bdd4a 100644
--- a/packages/awa-lwt/awa-lwt.0.0.4/opam
+++ b/packages/awa-lwt/awa-lwt.0.0.4/opam
@@ -33,4 +33,5 @@ url {
     "sha512=fadf334d06488937f33314509752d9205022d0e695a5b3f68298cfd0011dc1b509824e6788a6d1f51d4e10b2db9e41fc8170a14d88205089446e01566e50967e"
   ]
 }
-x-commit-hash: "b3dd7a4f1cebc7c5f5421975c428a433c6c9892e"
\ No newline at end of file
+x-commit-hash: "b3dd7a4f1cebc7c5f5421975c428a433c6c9892e"
+flags: deprecated
diff --git a/packages/awa-lwt/awa-lwt.0.0.5/opam b/packages/awa-lwt/awa-lwt.0.0.5/opam
index 83dbfc064d3..e5beeacae73 100644
--- a/packages/awa-lwt/awa-lwt.0.0.5/opam
+++ b/packages/awa-lwt/awa-lwt.0.0.5/opam
@@ -33,4 +33,5 @@ url {
     "sha512=25259ceda105fadcea7a549f4b51fe09e47de0c09de87c7c893c0fb840fc11e73552bfdadcaf0a42dfd0620d012605973ac8f988f801150540e249d911289ba8"
   ]
 }
-x-commit-hash: "cdbc37730b78622958150ffeb40dab3afcaa5ea4"
\ No newline at end of file
+x-commit-hash: "cdbc37730b78622958150ffeb40dab3afcaa5ea4"
+flags: deprecated
diff --git a/packages/awa-lwt/awa-lwt.0.1.0/opam b/packages/awa-lwt/awa-lwt.0.1.0/opam
index 022d1b85671..b09fe1dbd4c 100644
--- a/packages/awa-lwt/awa-lwt.0.1.0/opam
+++ b/packages/awa-lwt/awa-lwt.0.1.0/opam
@@ -33,4 +33,5 @@ url {
     "sha512=6e9408d324e766092c7c512c6f39de5b50ce1003d723be3119d936d7de390577738010b38240048cb032e4dc56cac2130e7658c005c00a899a3034e6389c1b84"
   ]
 }
-x-commit-hash: "de7effb995998d2ded83501ab046d9dcb66f5f02"
\ No newline at end of file
+x-commit-hash: "de7effb995998d2ded83501ab046d9dcb66f5f02"
+flags: deprecated
diff --git a/packages/awa-lwt/awa-lwt.0.1.1/opam b/packages/awa-lwt/awa-lwt.0.1.1/opam
index 6135e42f6cf..ce8698dd2e5 100644
--- a/packages/awa-lwt/awa-lwt.0.1.1/opam
+++ b/packages/awa-lwt/awa-lwt.0.1.1/opam
@@ -33,4 +33,5 @@ url {
     "sha512=1e0a904298c67bde98db970ca36e93341e1781beb28bb444b64e1e8f954f69f184ae4b9eb169fee231e140223867ede81ffbf0045c3cb90e4a93067b406dc275"
   ]
 }
-x-commit-hash: "8f4b12da523ba62471d6a45e9d247e763441b9ec"
\ No newline at end of file
+x-commit-hash: "8f4b12da523ba62471d6a45e9d247e763441b9ec"
+flags: deprecated
diff --git a/packages/awa-lwt/awa-lwt.0.1.2/opam b/packages/awa-lwt/awa-lwt.0.1.2/opam
index 468481f4ca6..ae91e56c1ab 100644
--- a/packages/awa-lwt/awa-lwt.0.1.2/opam
+++ b/packages/awa-lwt/awa-lwt.0.1.2/opam
@@ -34,3 +34,4 @@ url {
   ]
 }
 x-commit-hash: "7c65292939ae4dff25170b1dbad6e3bc48d177a4"
+flags: deprecated
diff --git a/packages/awa-lwt/awa-lwt.0.2.0/opam b/packages/awa-lwt/awa-lwt.0.2.0/opam
index 3bf3d1eb41b..7e1bd96c619 100644
--- a/packages/awa-lwt/awa-lwt.0.2.0/opam
+++ b/packages/awa-lwt/awa-lwt.0.2.0/opam
@@ -34,3 +34,4 @@ url {
   ]
 }
 x-commit-hash: "c6320326eeeaac1fa6f0d67f8a1cd50569fd48b9"
+flags: deprecated
diff --git a/packages/conex-nocrypto/conex-nocrypto.0.10.0/opam b/packages/conex-nocrypto/conex-nocrypto.0.10.0/opam
index de79b0133ee..0a34995a554 100644
--- a/packages/conex-nocrypto/conex-nocrypto.0.10.0/opam
+++ b/packages/conex-nocrypto/conex-nocrypto.0.10.0/opam
@@ -40,3 +40,4 @@ url {
     "md5=39cdb4e3a550703e61b2f56d20323fdd"
   ]
 }
+flags: deprecated
diff --git a/packages/conex-nocrypto/conex-nocrypto.0.10.1/opam b/packages/conex-nocrypto/conex-nocrypto.0.10.1/opam
index a7ac2ea9c85..1ae451507c1 100644
--- a/packages/conex-nocrypto/conex-nocrypto.0.10.1/opam
+++ b/packages/conex-nocrypto/conex-nocrypto.0.10.1/opam
@@ -40,3 +40,4 @@ url {
     "md5=1e09e8e28c4b26d5a22b3a5afd1fdc5c"
   ]
 }
+flags: deprecated
diff --git a/packages/conex-nocrypto/conex-nocrypto.0.11.0/opam b/packages/conex-nocrypto/conex-nocrypto.0.11.0/opam
index a7dffd876c0..6ec0a10198a 100644
--- a/packages/conex-nocrypto/conex-nocrypto.0.11.0/opam
+++ b/packages/conex-nocrypto/conex-nocrypto.0.11.0/opam
@@ -40,3 +40,4 @@ url {
     "sha512=30caad9a0a8d45d24933652733349e251c0e8decb6ac4c7de18fc4ae8a621865f8af5b2d02a5c9fcca0cc122e6a443ba91f2f7a350f729633923f9c1b5cf913d"
   ]
 }
+flags: deprecated
diff --git a/packages/dns-async/dns-async.1.0.0/opam b/packages/dns-async/dns-async.1.0.0/opam
index 35a7ccbe323..3b88da35721 100644
--- a/packages/dns-async/dns-async.1.0.0/opam
+++ b/packages/dns-async/dns-async.1.0.0/opam
@@ -57,3 +57,4 @@ url {
     "md5=5fe4efe11671253950f89036a6cc1a21"
   ]
 }
+flags: deprecated
diff --git a/packages/dns-async/dns-async.1.0.1/opam b/packages/dns-async/dns-async.1.0.1/opam
index 65582230a94..d0eff380f14 100644
--- a/packages/dns-async/dns-async.1.0.1/opam
+++ b/packages/dns-async/dns-async.1.0.1/opam
@@ -57,3 +57,4 @@ url {
     "md5=ec3bb1db392e29cd3aa8a8d844fba0ad"
   ]
 }
+flags: deprecated
diff --git a/packages/dns-async/dns-async.1.1.0/opam b/packages/dns-async/dns-async.1.1.0/opam
index 1517729ec5f..ba3fede3753 100644
--- a/packages/dns-async/dns-async.1.1.0/opam
+++ b/packages/dns-async/dns-async.1.1.0/opam
@@ -40,3 +40,4 @@ url {
     "md5=62230d2f85de4646d029cde7d1c3a55d"
   ]
 }
+flags: deprecated
diff --git a/packages/dns-async/dns-async.1.1.1/opam b/packages/dns-async/dns-async.1.1.1/opam
index d106d50ba37..cfdb7d171c3 100644
--- a/packages/dns-async/dns-async.1.1.1/opam
+++ b/packages/dns-async/dns-async.1.1.1/opam
@@ -40,3 +40,4 @@ url {
     "md5=42a49a41d3b53567e074b864926d4411"
   ]
 }
+flags: deprecated
diff --git a/packages/dns-async/dns-async.1.1.3/opam b/packages/dns-async/dns-async.1.1.3/opam
index 25be8c6bd48..d60648da678 100644
--- a/packages/dns-async/dns-async.1.1.3/opam
+++ b/packages/dns-async/dns-async.1.1.3/opam
@@ -40,3 +40,4 @@ url {
     "sha512=cd13ea4c92c018dc884fcce7eb62d2f3f1ef76c3a51c11bb3fe722d72b90e4070f1d0f939cd9faa93c710a4d2dee9761d89557f8086c9fb4ca75c6f1a467fbf3"
   ]
 }
+flags: deprecated
diff --git a/packages/dns-lwt-unix/dns-lwt-unix.1.0.0/opam b/packages/dns-lwt-unix/dns-lwt-unix.1.0.0/opam
index 5626fd9168c..a59630921c4 100644
--- a/packages/dns-lwt-unix/dns-lwt-unix.1.0.0/opam
+++ b/packages/dns-lwt-unix/dns-lwt-unix.1.0.0/opam
@@ -59,3 +59,4 @@ url {
     "md5=5fe4efe11671253950f89036a6cc1a21"
   ]
 }
+flags: deprecated
diff --git a/packages/dns-lwt-unix/dns-lwt-unix.1.0.1/opam b/packages/dns-lwt-unix/dns-lwt-unix.1.0.1/opam
index 3dba18239f3..14a6fb9b922 100644
--- a/packages/dns-lwt-unix/dns-lwt-unix.1.0.1/opam
+++ b/packages/dns-lwt-unix/dns-lwt-unix.1.0.1/opam
@@ -59,3 +59,4 @@ url {
     "md5=ec3bb1db392e29cd3aa8a8d844fba0ad"
   ]
 }
+flags: deprecated
diff --git a/packages/dns-lwt-unix/dns-lwt-unix.1.1.0/opam b/packages/dns-lwt-unix/dns-lwt-unix.1.1.0/opam
index d405916141a..794d1c8de4d 100644
--- a/packages/dns-lwt-unix/dns-lwt-unix.1.1.0/opam
+++ b/packages/dns-lwt-unix/dns-lwt-unix.1.1.0/opam
@@ -43,3 +43,4 @@ url {
     "md5=62230d2f85de4646d029cde7d1c3a55d"
   ]
 }
+flags: deprecated
diff --git a/packages/dns-lwt-unix/dns-lwt-unix.1.1.1/opam b/packages/dns-lwt-unix/dns-lwt-unix.1.1.1/opam
index b7c50090a67..927ad194be1 100644
--- a/packages/dns-lwt-unix/dns-lwt-unix.1.1.1/opam
+++ b/packages/dns-lwt-unix/dns-lwt-unix.1.1.1/opam
@@ -43,3 +43,4 @@ url {
     "md5=42a49a41d3b53567e074b864926d4411"
   ]
 }
+flags: deprecated
diff --git a/packages/dns-lwt-unix/dns-lwt-unix.1.1.3/opam b/packages/dns-lwt-unix/dns-lwt-unix.1.1.3/opam
index df151cded7f..2f2dfccaa24 100644
--- a/packages/dns-lwt-unix/dns-lwt-unix.1.1.3/opam
+++ b/packages/dns-lwt-unix/dns-lwt-unix.1.1.3/opam
@@ -43,3 +43,4 @@ url {
     "sha512=cd13ea4c92c018dc884fcce7eb62d2f3f1ef76c3a51c11bb3fe722d72b90e4070f1d0f939cd9faa93c710a4d2dee9761d89557f8086c9fb4ca75c6f1a467fbf3"
   ]
 }
+flags: deprecated
diff --git a/packages/dns-lwt/dns-lwt.1.0.0/opam b/packages/dns-lwt/dns-lwt.1.0.0/opam
index 3cbcc4bd458..b7875328c3b 100644
--- a/packages/dns-lwt/dns-lwt.1.0.0/opam
+++ b/packages/dns-lwt/dns-lwt.1.0.0/opam
@@ -60,3 +60,4 @@ url {
     "md5=5fe4efe11671253950f89036a6cc1a21"
   ]
 }
+flags: deprecated
diff --git a/packages/dns-lwt/dns-lwt.1.0.1/opam b/packages/dns-lwt/dns-lwt.1.0.1/opam
index 53f5fd64eb4..7d0b4e14ce4 100644
--- a/packages/dns-lwt/dns-lwt.1.0.1/opam
+++ b/packages/dns-lwt/dns-lwt.1.0.1/opam
@@ -60,3 +60,4 @@ url {
     "md5=ec3bb1db392e29cd3aa8a8d844fba0ad"
   ]
 }
+flags: deprecated
diff --git a/packages/dns-lwt/dns-lwt.1.1.0/opam b/packages/dns-lwt/dns-lwt.1.1.0/opam
index f8b737e1873..31868be9e27 100644
--- a/packages/dns-lwt/dns-lwt.1.1.0/opam
+++ b/packages/dns-lwt/dns-lwt.1.1.0/opam
@@ -43,3 +43,4 @@ url {
     "md5=62230d2f85de4646d029cde7d1c3a55d"
   ]
 }
+flags: deprecated
diff --git a/packages/dns-lwt/dns-lwt.1.1.1/opam b/packages/dns-lwt/dns-lwt.1.1.1/opam
index ef9461a7481..9f37e6adb8a 100644
--- a/packages/dns-lwt/dns-lwt.1.1.1/opam
+++ b/packages/dns-lwt/dns-lwt.1.1.1/opam
@@ -43,3 +43,4 @@ url {
     "md5=42a49a41d3b53567e074b864926d4411"
   ]
 }
+flags: deprecated
diff --git a/packages/dns-lwt/dns-lwt.1.1.3/opam b/packages/dns-lwt/dns-lwt.1.1.3/opam
index 6089e63f160..b5f8f61f9ac 100644
--- a/packages/dns-lwt/dns-lwt.1.1.3/opam
+++ b/packages/dns-lwt/dns-lwt.1.1.3/opam
@@ -43,3 +43,4 @@ url {
     "sha512=cd13ea4c92c018dc884fcce7eb62d2f3f1ef76c3a51c11bb3fe722d72b90e4070f1d0f939cd9faa93c710a4d2dee9761d89557f8086c9fb4ca75c6f1a467fbf3"
   ]
 }
+flags: deprecated
diff --git a/packages/hkdf/hkdf.1.0.0/opam b/packages/hkdf/hkdf.1.0.0/opam
index 9eff33e5b02..7c830375081 100644
--- a/packages/hkdf/hkdf.1.0.0/opam
+++ b/packages/hkdf/hkdf.1.0.0/opam
@@ -25,7 +25,7 @@ synopsis:
   "HMAC-based Extract-and-Expand Key Derivation Function (HKDF), RFC5869"
 description:
   "An implementation of HKDF, including test cases from RFC 5869, in OCaml.  This is used in various protocols, including IKEv2, PANA, EAP-AKA."
-flags: light-uninstall
+flags: [ light-uninstall deprecated ]
 url {
   src: "https://github.com/hannesm/ocaml-hkdf/archive/1.0.0.tar.gz"
   checksum: [
diff --git a/packages/hkdf/hkdf.1.0.1/opam b/packages/hkdf/hkdf.1.0.1/opam
index 17a711d0949..6c2ee82466b 100644
--- a/packages/hkdf/hkdf.1.0.1/opam
+++ b/packages/hkdf/hkdf.1.0.1/opam
@@ -46,3 +46,4 @@ url {
     "md5=7974bdf65c1e0897fd0485f34bcc80ec"
   ]
 }
+flags: deprecated
diff --git a/packages/hkdf/hkdf.1.0.2/opam b/packages/hkdf/hkdf.1.0.2/opam
index 20cd0267b6e..be487410539 100644
--- a/packages/hkdf/hkdf.1.0.2/opam
+++ b/packages/hkdf/hkdf.1.0.2/opam
@@ -36,3 +36,4 @@ url {
     "md5=91627b3d546eea255a42faf98d82dddc"
   ]
 }
+flags: deprecated
diff --git a/packages/hkdf/hkdf.1.0.3/opam b/packages/hkdf/hkdf.1.0.3/opam
index 559ed0f2660..1763d15f92d 100644
--- a/packages/hkdf/hkdf.1.0.3/opam
+++ b/packages/hkdf/hkdf.1.0.3/opam
@@ -31,3 +31,4 @@ url {
     "md5=a92cf45193a8f2f5429da0590a8e808c"
   ]
 }
+flags: deprecated
diff --git a/packages/hkdf/hkdf.1.0.4/opam b/packages/hkdf/hkdf.1.0.4/opam
index cc9a85731d5..3cd8cdbf118 100644
--- a/packages/hkdf/hkdf.1.0.4/opam
+++ b/packages/hkdf/hkdf.1.0.4/opam
@@ -31,3 +31,4 @@ url {
     "sha512=d08e50857f7761572adc4d382975fde5808898c1d92d9e6e943a496cba8780ffabe1edf67844063b70d9727c0fe10b24391e001a3f65c978a5326ac82199cc88"
   ]
 }
+flags: deprecated
diff --git a/packages/hkdf/hkdf.2.0.0/opam b/packages/hkdf/hkdf.2.0.0/opam
index c573e81c299..57b1253aa79 100644
--- a/packages/hkdf/hkdf.2.0.0/opam
+++ b/packages/hkdf/hkdf.2.0.0/opam
@@ -32,3 +32,4 @@ url {
   ]
 }
 x-commit-hash: "c7e22ff344722e21b8e66a9bcc8838c7ab79f73a"
+flags: deprecated
diff --git a/packages/mirage-crypto-entropy/mirage-crypto-entropy.0.6.0/opam b/packages/mirage-crypto-entropy/mirage-crypto-entropy.0.6.0/opam
index 75eb3a3d5af..48ee3439473 100644
--- a/packages/mirage-crypto-entropy/mirage-crypto-entropy.0.6.0/opam
+++ b/packages/mirage-crypto-entropy/mirage-crypto-entropy.0.6.0/opam
@@ -40,3 +40,4 @@ url {
     "sha512=ea3f1a99f9e7e1d66198a8ca7a07ae2f11ac6ef49f2a8b3d14f414a70243db09ec79454200e423d3792f58effa421fe3213e5ee6efe5e9ec8e43fd3444dad22c"
   ]
 }
+flags: deprecated
diff --git a/packages/mirage-crypto-entropy/mirage-crypto-entropy.0.6.1/opam b/packages/mirage-crypto-entropy/mirage-crypto-entropy.0.6.1/opam
index cd6035ba2cb..8bdd120e709 100644
--- a/packages/mirage-crypto-entropy/mirage-crypto-entropy.0.6.1/opam
+++ b/packages/mirage-crypto-entropy/mirage-crypto-entropy.0.6.1/opam
@@ -40,3 +40,4 @@ url {
     "sha512=351354a044d6c8e24c26389eeb8cb174d2506f8e8bef5795078ca80b6e9a0b56a5c306a0c8279d6d947c3c871b9d9fd8a6311b18fc77a54d031deec29582ffc3"
   ]
 }
+flags: deprecated
diff --git a/packages/mirage-crypto-entropy/mirage-crypto-entropy.0.6.2/opam b/packages/mirage-crypto-entropy/mirage-crypto-entropy.0.6.2/opam
index a739b93adcb..8277bf92ea6 100644
--- a/packages/mirage-crypto-entropy/mirage-crypto-entropy.0.6.2/opam
+++ b/packages/mirage-crypto-entropy/mirage-crypto-entropy.0.6.2/opam
@@ -40,3 +40,4 @@ url {
     "sha512=2c9808261aec8498921e4dce2d66214e10dfe65e2c3729c081731d6c44abc0e990233e5398c9c2d31a97d1a40bdd38920c54817f572d3b592f4257ce85b331da"
   ]
 }
+flags: deprecated