diff --git a/haskell/repositories.bzl b/haskell/repositories.bzl
index 05da35318..1e6bcb7ff 100644
--- a/haskell/repositories.bzl
+++ b/haskell/repositories.bzl
@@ -176,9 +176,9 @@ def rules_haskell_dependencies():
         http_archive,
         name = "zlib",
         build_file = "@com_google_protobuf//:third_party/zlib.BUILD",
-        sha256 = "9a93b2b7dfdac77ceba5a558a580e74667dd6fede4585b91eefb60f03b72df23",
-        strip_prefix = "zlib-1.3.1",
-        urls = ["https://github.com/madler/zlib/releases/download/v1.3.1/zlib-1.3.1.tar.gz"],
+        sha256 = "bb329a0a2cd0274d05519d61c667c062e06990d72e125ee2dfa8de64f0119d16",
+        strip_prefix = "zlib-1.3.2",
+        urls = ["https://github.com/madler/zlib/releases/download/v1.3.2/zlib-1.3.2.tar.gz"],
     )
     maybe(
         http_archive,
diff --git a/rules_haskell_tests/MODULE.bazel b/rules_haskell_tests/MODULE.bazel
index 0b6ccc97c..4dd97043d 100644
--- a/rules_haskell_tests/MODULE.bazel
+++ b/rules_haskell_tests/MODULE.bazel
@@ -93,7 +93,7 @@ single_version_override(
 )
 bazel_dep(
     name = "zlib",
-    version = "1.3.1.bcr.7",
+    version = "1.3.2",
 )
 bazel_dep(
     name = "rules_bazel_integration_test",