diff --git a/pkgs/development/tools/cpm-cmake/default.nix b/pkgs/development/tools/cpm-cmake/default.nix
index 9cddbc70c4a9..98d56d16c1ce 100644
--- a/pkgs/development/tools/cpm-cmake/default.nix
+++ b/pkgs/development/tools/cpm-cmake/default.nix
@@ -5,13 +5,13 @@
 
 stdenvNoCC.mkDerivation (finalAttrs: {
   pname = "cpm-cmake";
-  version = "0.38.8";
+  version = "0.39.0";
 
   src = fetchFromGitHub {
     owner = "cpm-cmake";
     repo = "cpm.cmake";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-S1I7XKvpniocI2UAzO8yslju3fYy06MPC2Kl7N7bh8I=";
+    hash = "sha256-cDFt+fDpb/gDlFx+3C5Hw/ybf4hdjZOrpeNR8yBwd1M=";
   };
 
   dontConfigure = true;
diff --git a/pkgs/development/tools/poac/default.nix b/pkgs/development/tools/poac/default.nix
index cb3be4ca9031..13562e26727f 100644
--- a/pkgs/development/tools/poac/default.nix
+++ b/pkgs/development/tools/poac/default.nix
@@ -95,9 +95,7 @@ stdenv.mkDerivation rec {
     license = licenses.asl20;
     maintainers = with maintainers; [ ];
     platforms = platforms.unix;
-    # https://github.com/NixOS/nixpkgs/pull/189712#issuecomment-1237791234
-    broken = (stdenv.isLinux && stdenv.isAarch64)
-    # error: excess elements in scalar initializer on std::aligned_alloc
-          || (stdenv.isDarwin && stdenv.isx86_64);
+    # error: call to 'format' is ambiguous
+    broken = true; # last successful build 2023-12-31
   };
 }