diff --git a/pyenv.d/exec/pip-rehash.bash b/pyenv.d/exec/pip-rehash.bash
index 7080f45d..f608f4ac 100644
--- a/pyenv.d/exec/pip-rehash.bash
+++ b/pyenv.d/exec/pip-rehash.bash
@@ -1,8 +1,8 @@
 PYENV_PIP_REHASH_ROOT="${BASH_SOURCE[0]%/*}/pip-rehash"
 PYENV_REHASH_COMMAND="${PYENV_COMMAND##*/}"
 
-# Remove any version information, from e.g. "pip2" or "pip3.4".
-if [[ $PYENV_REHASH_COMMAND =~ ^(pip|easy_install)[23](\.\d)?$ ]]; then
+# Remove any version information, from e.g. "pip2" or "pip3.10".
+if [[ $PYENV_REHASH_COMMAND =~ ^(pip|easy_install)[23](\.[0-9]+)?$ ]]; then
   PYENV_REHASH_COMMAND="${BASH_REMATCH[1]}"
 fi