diff --git a/pkgs/development/python-modules/langchain-aws/default.nix b/pkgs/development/python-modules/langchain-aws/default.nix
index 28668989a89d..eb2f53bcb3f3 100644
--- a/pkgs/development/python-modules/langchain-aws/default.nix
+++ b/pkgs/development/python-modules/langchain-aws/default.nix
@@ -21,13 +21,13 @@
 
 buildPythonPackage rec {
   pname = "langchain-aws";
-  version = "0.2.15";
+  version = "0.2.22";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain-aws";
-    tag = "v${version}";
+    tag = "langchain-aws==${version}";
     hash = "sha256-tEkwa+rpitGxstci754JH5HCqD7+WX0No6ielJJnbxk=";
   };
 
@@ -71,7 +71,7 @@ buildPythonPackage rec {
   passthru.updateScript = nix-update-script {
     extraArgs = [
       "--version-regex"
-      "^langchain-aws==([0-9.]+)$"
+      "langchain-aws==([0-9.]+)"
     ];
   };