diff --git a/pkgs/tools/admin/aws-lambda-runtime-interface-emulator/default.nix b/pkgs/tools/admin/aws-lambda-runtime-interface-emulator/default.nix
index 85509d92b369..04abcfbcbbf1 100644
--- a/pkgs/tools/admin/aws-lambda-runtime-interface-emulator/default.nix
+++ b/pkgs/tools/admin/aws-lambda-runtime-interface-emulator/default.nix
@@ -2,13 +2,13 @@
 
 buildGoModule rec {
   pname = "aws-lambda-runtime-interface-emulator";
-  version = "1.19";
+  version = "1.20";
 
   src = fetchFromGitHub {
     owner = "aws";
     repo = "aws-lambda-runtime-interface-emulator";
     rev = "v${version}";
-    sha256 = "sha256-z4drwdODY+FjrDpdXK7zXD1yiQmpdItzVjzKHj0ZTJk=";
+    sha256 = "sha256-cpfzjXjufiCe6AJsTj08vJ719MztHwY+6fMnk8vR82k=";
   };
 
   vendorHash = "sha256-fGoqKDBg+O4uzGmhEIROsBvDS+6zWCzsXe8U6t98bqk=";