diff --git a/packages/preserves-nim/default.nix b/packages/preserves-nim/default.nix
index b3cd38c..580625f 100644
--- a/packages/preserves-nim/default.nix
+++ b/packages/preserves-nim/default.nix
@@ -16,13 +16,13 @@ let
 
 in buildNimPackage rec {
   pname = "preserves";
-  version = "20230520";
+  version = "20230530";
   src = fetchFromGitea {
     domain = "git.syndicate-lang.org";
     owner = "ehmry";
     repo = "${pname}-nim";
     rev = version;
-    sha256 = "sha256-X4h7AHCWvu/aaReTq3lO3gbHpb0fTrwdVGywXkb1PZQ=";
+    sha256 = "sha256-IRIBGjv4po8VyL873v++ovqz8Vg6a9Qbh/M1fxpQXvY=";
   };
 
   propagatedBuildInputs = [ compiler npeg ];
diff --git a/packages/syndicate-nim/default.nix b/packages/syndicate-nim/default.nix
index 816fcc0..c8cf996 100644
--- a/packages/syndicate-nim/default.nix
+++ b/packages/syndicate-nim/default.nix
@@ -15,14 +15,14 @@ let
   };
 in buildNimPackage rec {
   pname = "syndicate";
-  version = "20230518";
+  version = "20230530";
 
   src = fetchFromGitea {
     domain = "git.syndicate-lang.org";
     owner = "ehmry";
     repo = "${pname}-nim";
     rev = version;
-    hash = "sha256-JkgJ3vA8VFkveddVpFu7bCKJ5sQMVNTE3y9dvRiOVao=";
+    hash = "sha256-lUHoMSQwUlz9EDMvpFL9GlrwbwMvZDILSmuakONwe50=";
   };
 
   propagatedBuildInputs = [ hashlib preserves ];