diff --git a/pygeppetto/requirements-test.txt b/pygeppetto/requirements-test.txt
index e0993958a..d932c98d0 100644
--- a/pygeppetto/requirements-test.txt
+++ b/pygeppetto/requirements-test.txt
@@ -1,4 +1,4 @@
-pytest==4.6.2
-pytest-cov==2.7.1
-tox==3.12.1
+pytest
+pytest-cov
+tox
 responses
\ No newline at end of file