diff --git a/requirements-dev.txt b/requirements-dev.txt
index 734eeed..61830a3 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,5 +4,5 @@ build
 ipython
 mypy
 # The bump-version script requires at least version 3 of semver.
-semver>=3
+semver>=3.0.4
 twine