diff --git a/non_module_dev_deps.bzl b/non_module_dev_deps.bzl
index 44f5cd1ff..4f40b7247 100644
--- a/non_module_dev_deps.bzl
+++ b/non_module_dev_deps.bzl
@@ -66,9 +66,9 @@ def repositories(*, bzlmod):
     # no modules are provided at the moment for buildifier
     http_archive(
         name = "com_github_bazelbuild_buildtools",
-        sha256 = "60a9025072ae237f325d0e7b661e1685f34922c29883888c2d06f5789462b939",
-        strip_prefix = "buildtools-7.1.1",
-        urls = ["https://github.com/bazelbuild/buildtools/archive/v7.1.1.tar.gz"],
+        sha256 = "051951c10ff8addeb4f10be3b0cf474b304b2ccd675f2cc7683cdd9010320ca9",
+        strip_prefix = "buildtools-7.3.1",
+        urls = ["https://github.com/bazelbuild/buildtools/archive/v7.3.1.tar.gz"],
     )
 
     nixpkgs_local_repository(
diff --git a/rules_haskell_nix/WORKSPACE.bzlmod b/rules_haskell_nix/WORKSPACE.bzlmod
index 68a36f8e9..3f600e173 100644
--- a/rules_haskell_nix/WORKSPACE.bzlmod
+++ b/rules_haskell_nix/WORKSPACE.bzlmod
@@ -13,9 +13,9 @@ nixpkgs_package(
 
 http_archive(
     name = "com_github_bazelbuild_buildtools",
-    sha256 = "05c3c3602d25aeda1e9dbc91d3b66e624c1f9fdadf273e5480b489e744ca7269",
-    strip_prefix = "buildtools-6.4.0",
+    sha256 = "051951c10ff8addeb4f10be3b0cf474b304b2ccd675f2cc7683cdd9010320ca9",
+    strip_prefix = "buildtools-7.3.1",
     urls = [
-        "https://github.com/bazelbuild/buildtools/archive/refs/tags/v6.4.0.tar.gz",
+        "https://github.com/bazelbuild/buildtools/archive/refs/tags/v7.3.1.tar.gz",
     ],
 )
diff --git a/rules_haskell_tests/non_module_deps.bzl b/rules_haskell_tests/non_module_deps.bzl
index 29ec1f777..e8ac98a5d 100644
--- a/rules_haskell_tests/non_module_deps.bzl
+++ b/rules_haskell_tests/non_module_deps.bzl
@@ -65,9 +65,9 @@ def repositories(*, bzlmod):  # @unused
     # no modules are provided at the moment for buildifier
     http_archive(
         name = "com_github_bazelbuild_buildtools",
-        sha256 = "60a9025072ae237f325d0e7b661e1685f34922c29883888c2d06f5789462b939",
-        strip_prefix = "buildtools-7.1.1",
-        urls = ["https://github.com/bazelbuild/buildtools/archive/v7.1.1.tar.gz"],
+        sha256 = "051951c10ff8addeb4f10be3b0cf474b304b2ccd675f2cc7683cdd9010320ca9",
+        strip_prefix = "buildtools-7.3.1",
+        urls = ["https://github.com/bazelbuild/buildtools/archive/v7.3.1.tar.gz"],
     )
 
     http_archive(