diff --git a/src/paude/environment.py b/src/paude/environment.py
index f6ab7a4..d37e8bc 100644
--- a/src/paude/environment.py
+++ b/src/paude/environment.py
@@ -51,4 +51,5 @@ def build_proxy_environment(proxy_name: str) -> dict[str, str]:
         "SSL_CERT_FILE": CA_BUNDLE_PATH,
         "SSL_CERT_DIR": _CA_CERT_DIR,
         "CURL_CA_BUNDLE": CA_BUNDLE_PATH,
+        "GIT_SSL_CAINFO": CA_BUNDLE_PATH,
     }
diff --git a/tests/test_environment.py b/tests/test_environment.py
index 58e5d20..071964d 100644
--- a/tests/test_environment.py
+++ b/tests/test_environment.py
@@ -98,3 +98,4 @@ def test_includes_ca_cert_env_vars(self):
         assert env["SSL_CERT_FILE"] == "/tmp/paude-ca-bundle.pem"
         assert env["SSL_CERT_DIR"] == "/etc/pki/tls/certs"
         assert env["CURL_CA_BUNDLE"] == "/tmp/paude-ca-bundle.pem"
+        assert env["GIT_SSL_CAINFO"] == "/tmp/paude-ca-bundle.pem"