diff --git a/third_party/default.nix b/third_party/default.nix
index 4056b5fe52..96571c7f4f 100644
--- a/third_party/default.nix
+++ b/third_party/default.nix
@@ -25,7 +25,12 @@ rec {
         in origOut // {
           dockerImage = nixpkgs.dockerTools.buildImage {
             name = args.name;
-            config = { Cmd = [ "${origOut}/bin/${args.name}" ]; };
+            config = {
+              Cmd = [ "${origOut}/bin/${args.name}" ];
+              Env = [
+                "SSL_CERT_FILE=${nixpkgs.cacert}/etc/ssl/certs/ca-bundle.crt"
+              ];
+            };
           };
         };
     };