diff --git a/nix/devshell.nix b/nix/devshell.nix
index b587e1915..b25f8f8d5 100644
--- a/nix/devshell.nix
+++ b/nix/devshell.nix
@@ -29,6 +29,7 @@
 let
   # See package.nix. Keep in sync.
   rpathLibs = [
+    libpng
     libGL
   ] ++ lib.optionals stdenv.isLinux [
     libX11
@@ -61,6 +62,7 @@ in mkShell rec {
   buildInputs = [
     # TODO: non-linux
   ] ++ lib.optionals stdenv.isLinux [
+    libpng
     libX11
     libXcursor
     libXext