diff --git a/requirements.txt b/requirements.txt
index 28c33c7..e5724d4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-httpx[http2]==0.16.1
+httpx[http2]
 protobuf==3.14.0
 pytz
 urllib3
\ No newline at end of file
diff --git a/requirements_test.txt b/requirements_test.txt
index 2a6ca06..c999ca2 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -1,2 +1,2 @@
-pytest-mock==3.3.1
-pytest-httpx==0.10.0
+pytest-mock
+pytest-httpx