diff --git a/lass/2configs/default.nix b/lass/2configs/default.nix
index 43c4d5b0d..a7d2a6cef 100644
--- a/lass/2configs/default.nix
+++ b/lass/2configs/default.nix
@@ -46,6 +46,13 @@ with import <stockholm/lib>;
         NIX_PATH = mkForce "secrets=/var/src/stockholm/null:/var/src";
       };
     }
+    (let ca-bundle = "${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt"; in {
+      environment.variables = {
+        CURL_CA_BUNDLE = ca-bundle;
+        GIT_SSL_CAINFO = ca-bundle;
+        SSL_CERT_FILE = ca-bundle;
+      };
+    })
   ];
 
   networking.hostName = config.krebs.build.host.name;