diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..a2cfb4c
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,19 @@
+## Release 0.1.1
+
+This version fixes some minor issues that were discovered since the last release.
+
+Added:
+
+- added some client-server roundtrip tests using a simple echo server implementation
+  (in `dxr/tests/echo.rs`)
+
+Fixed:
+
+- fixed infinite recursion in `(T,)` call parameter serialization 
+- make sure `Call` values can be sent across threads
+- cleaned up minor formatting issues in docs and doctests
+- fixed README.md badge links in the dxr_shared crate
+
+## Release 0.1.0
+
+Initial release.
diff --git a/dxr/Cargo.toml b/dxr/Cargo.toml
index 42d7694..636e16e 100644
--- a/dxr/Cargo.toml
+++ b/dxr/Cargo.toml
@@ -3,7 +3,7 @@ name = "dxr"
 description = "Declarative XML-RPC"
 license = "MIT OR Apache-2.0"
 
-version = "0.1.0"
+version = "0.1.1"
 edition = "2021"
 rust-version = "1.56.0"
 
@@ -34,12 +34,12 @@ required-features = ["derive", "client", "server", "i8", "nil"]
 
 [dependencies]
 # default features
-dxr_shared = { path = "../dxr_shared", version = "0.1.0" }
+dxr_shared = { path = "../dxr_shared", version = "0.1.1" }
 log = "0.4.13"
 quick-xml = { version = "0.22" , features = ["serialize"] }
 
 # derive feature
-dxr_derive = { path = "../dxr_derive", version = "0.1.0", optional = true }
+dxr_derive = { path = "../dxr_derive", version = "0.1.1", optional = true }
 
 # client feature
 reqwest = { version = "0.11", features = ["cookies"] , optional = true }
diff --git a/dxr_derive/Cargo.toml b/dxr_derive/Cargo.toml
index 613ba7e..b331682 100644
--- a/dxr_derive/Cargo.toml
+++ b/dxr_derive/Cargo.toml
@@ -3,7 +3,7 @@ name = "dxr_derive"
 description = "Implementation details of DXR (derive macros)"
 license = "MIT OR Apache-2.0"
 
-version = "0.1.0"
+version = "0.1.1"
 edition = "2021"
 rust-version = "1.56.0"
 
diff --git a/dxr_shared/Cargo.toml b/dxr_shared/Cargo.toml
index 806d8be..d16a67d 100644
--- a/dxr_shared/Cargo.toml
+++ b/dxr_shared/Cargo.toml
@@ -3,7 +3,7 @@ name = "dxr_shared"
 description = "Implementation details of DXR (XML-RPC value de/serialization)"
 license = "MIT OR Apache-2.0"
 
-version = "0.1.0"
+version = "0.1.1"
 edition = "2021"
 rust-version = "1.56.0"