diff --git a/pkgs/applications/virtualization/docker/default.nix b/pkgs/applications/virtualization/docker/default.nix
index 85c5d60af109..26754231051b 100644
--- a/pkgs/applications/virtualization/docker/default.nix
+++ b/pkgs/applications/virtualization/docker/default.nix
@@ -113,13 +113,13 @@ let
       });
 
       docker-tini = tini.overrideAttrs {
-        pname = "docker-init";
+        pname = "docker-tini";
         inherit version;
 
         src = fetchFromGitHub {
           owner = "krallin";
           repo = "tini";
-          tag = tiniRev;
+          rev = tiniRev;
           hash = tiniHash;
         };
 
@@ -401,8 +401,8 @@ in
       runcHash = "sha256-J/QmOZxYnMPpzm87HhPTkYdt+fN+yeSUu2sv6aUeTY4=";
       containerdRev = "v1.7.27";
       containerdHash = "sha256-H94EHnfW2Z59KcHcbfJn+BipyZiNUvHe50G5EXbrIps=";
-      tiniRev = "v0.19.0";
-      tiniHash = "sha256-ZDKu/8yE5G0RYFJdhgmCdN3obJNyRWv6K/Gd17zc1sI=";
+      tiniRev = "369448a167e8b3da4ca5bca0b3307500c3371828";
+      tiniHash = "sha256-jCBNfoJAjmcTJBx08kHs+FmbaU82CbQcf0IVjd56Nuw=";
     };
 
   docker_28 =
@@ -419,8 +419,8 @@ in
       runcHash = "sha256-oXoDio3l23Z6UyAhb9oDMo1O4TLBbFyLh9sRWXnfLVY=";
       containerdRev = "v1.7.28";
       containerdHash = "sha256-vz7RFJkFkMk2gp7bIMx1kbkDFUMS9s0iH0VoyD9A21s=";
-      tiniRev = "v0.19.0";
-      tiniHash = "sha256-ZDKu/8yE5G0RYFJdhgmCdN3obJNyRWv6K/Gd17zc1sI=";
+      tiniRev = "369448a167e8b3da4ca5bca0b3307500c3371828";
+      tiniHash = "sha256-jCBNfoJAjmcTJBx08kHs+FmbaU82CbQcf0IVjd56Nuw=";
     };
 
 }
diff --git a/pkgs/by-name/op/openhmd/package.nix b/pkgs/by-name/op/openhmd/package.nix
index 01fc1d072edf..6795d1aa8563 100644
--- a/pkgs/by-name/op/openhmd/package.nix
+++ b/pkgs/by-name/op/openhmd/package.nix
@@ -26,6 +26,13 @@ stdenv.mkDerivation rec {
     sha256 = "1hkpdl4zgycag5k8njvqpx01apxmm8m8pvhlsxgxpqiqy9a38ccg";
   };
 
+  # substitute for CMake 4 compat
+  # "OpenHMD is currently NOT ACTIVELY MAINTAINED" in upstream README
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+      --replace-fail "cmake_minimum_required(VERSION 3.1)" "cmake_minimum_required(VERSION 3.10)"
+  '';
+
   nativeBuildInputs = [
     cmake
     pkg-config