diff --git a/pkgs/by-name/ca/capnproto/package.nix b/pkgs/by-name/ca/capnproto/package.nix
index 646df7c9a87b..193f1dccee04 100644
--- a/pkgs/by-name/ca/capnproto/package.nix
+++ b/pkgs/by-name/ca/capnproto/package.nix
@@ -30,14 +30,14 @@ in
 # See: https://gerrit.lix.systems/c/lix/+/1874
 clangStdenv.mkDerivation rec {
   pname = "capnproto";
-  version = "1.1.0";
+  version = "1.2.0";
 
   # release tarballs are missing some ekam rules
   src = fetchFromGitHub {
     owner = "capnproto";
     repo = "capnproto";
     rev = "v${version}";
-    hash = "sha256-gxkko7LFyJNlxpTS+CWOd/p9x/778/kNIXfpDGiKM2A=";
+    hash = "sha256-aDcn4bLZGq8915/NPPQsN5Jv8FRWd8cAspkG3078psc=";
   };
 
   nativeBuildInputs = [ cmake ];