diff --git a/pkgs/development/python-modules/primp/default.nix b/pkgs/development/python-modules/primp/default.nix
index 4a38ff8c6951..0140719e10a3 100644
--- a/pkgs/development/python-modules/primp/default.nix
+++ b/pkgs/development/python-modules/primp/default.nix
@@ -55,6 +55,21 @@ let
       );
 
     vendorHash = "sha256-06MkjXl0DKFzIH/H+uT9kXsQdPq7qdZh2dlLW/YhJuk=";
+
+    installPhase = ''
+      runHook preInstall
+
+      mkdir -p $bin/bin $dev $out/lib
+
+      install -Dm755 tool/bssl -t $bin/bin
+      install -Dm644 ssl/libssl.a -t $out/lib
+      install -Dm644 crypto/libcrypto.a -t $out/lib
+      install -Dm644 decrepit/libdecrepit.a -t $out/lib
+
+      cp -r ../include $dev
+
+      runHook postInstall
+    '';
   });
   # boring-sys expects the static libraries in build/ instead of lib/
   boringssl-wrapper = runCommand "boringssl-wrapper" { } ''