diff --git a/pkgs/development/tools/lalrpop/default.nix b/pkgs/development/tools/lalrpop/default.nix
index 32e6ec7a35b2..cc52d2622f55 100644
--- a/pkgs/development/tools/lalrpop/default.nix
+++ b/pkgs/development/tools/lalrpop/default.nix
@@ -7,18 +7,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "lalrpop";
-  version = "0.20.0";
+  version = "0.20.2";
 
   src = fetchFromGitHub {
     owner = "lalrpop";
     repo = "lalrpop";
-    # there's no tag for 0.20.0
-    rev = "1584ddb243726195b540fdd2b3ccf693876288e0";
-    # rev = version;
-    hash = "sha256-aYlSR8XqJnj76Hm3MFqfA5d9L3SO/iCCKpzOES5YQGY=";
+    rev = version;
+    hash = "sha256-cFwBck+bdOjhF6rQQj03MOO+XCsrII5c4Xvhsw12ETA=";
   };
 
-  cargoHash = "sha256-JaU5ZJbmlV/HfFT/ODpB3xFjZc2XiljhEVz/dql8o/c=";
+  cargoHash = "sha256-zkPLas+fQQzm7LlWNpTooUR/e30KMS9OET6PMwQ2yAA=";
 
   patches = [
     (substituteAll {