fix cffi handling

Author: blink1073

pyproject.toml

@@ -52,7 +52,7 @@ dev = [
 doctest = ["sphinx"]
 pip = ["pip"]
 # Install cffi with free-threading and Python 3.14 support
-gevent = ["gevent", "cffi>=2.0.0b1"]
+gevent = ["gevent", "cffi>=2.0.0b1;python_version==3.14"]
 eventlet = ["eventlet"]
 coverage = [
     "pytest-cov",
@@ -62,7 +62,7 @@ mockupdb = [
     "mockupdb@git+https://github.com/mongodb-labs/mongo-mockup-db@master"
 ]
 pymongocrypt_source = [
-    "pymongocrypt@git+https://github.com/mongodb/libmongocrypt@master#subdirectory=bindings/python"
+    "pymongocrypt@git+https://github.com/blink1073/libmongocrypt@test-python314#subdirectory=bindings/python"
 ]
 perf = ["simplejson"]
 typing = [