diff --git a/pkgs/by-name/bi/bicgl/package.nix b/pkgs/by-name/bi/bicgl/package.nix
index 7c7327b31c5e..76231816053c 100644
--- a/pkgs/by-name/bi/bicgl/package.nix
+++ b/pkgs/by-name/bi/bicgl/package.nix
@@ -35,6 +35,11 @@ stdenv.mkDerivation rec {
     "-DBICPL_DIR=${bicpl}/lib"
   ];
 
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+      --replace-fail "CMAKE_MINIMUM_REQUIRED(VERSION 2.6)" "cmake_minimum_required(VERSION 3.10)"
+  '';
+
   meta = with lib; {
     homepage = "https://github.com/${owner}/bicgl";
     description = "Brain Imaging Centre graphics library";
diff --git a/pkgs/by-name/co/conglomerate/package.nix b/pkgs/by-name/co/conglomerate/package.nix
index 5c4fc39a8ddc..a200d9fe49c9 100644
--- a/pkgs/by-name/co/conglomerate/package.nix
+++ b/pkgs/by-name/co/conglomerate/package.nix
@@ -47,6 +47,11 @@ stdenv.mkDerivation {
     "-DBICPL_DIR=${bicpl}/lib"
   ];
 
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+      --replace-fail "CMAKE_MINIMUM_REQUIRED(VERSION 3.1)" "cmake_minimum_required(VERSION 3.10)"
+  '';
+
   postFixup = ''
     for p in $out/bin/*; do
       wrapProgram $p --prefix PERL5LIB : $PERL5LIB --set PATH "${