diff --git a/src/pymyinstall/installhelper/install_cmd_regex.py b/src/pymyinstall/installhelper/install_cmd_regex.py
index d13b239a..5bc505e3 100644
--- a/src/pymyinstall/installhelper/install_cmd_regex.py
+++ b/src/pymyinstall/installhelper/install_cmd_regex.py
@@ -5,5 +5,5 @@
 
 
 regex_wheel_version = "[-]([0-9]+[.][abc0-9]+([.][0-9])?([.][0-9abdevcr]+)?)([+][a-z]+)?" + \
-                      "([+]cuda[0-9]{2,5})?([+]sdl[0-9])?([+]contrib_opencl)?([+]numpy[0-9]{1,2})?([+.]post[0-9]{1,2})?([.][0-9])?[-]"
+                      "([+]cuda[0-9]{2,5})?([+]sdl[0-9])?([+]r33)?([+]contrib_opencl)?([+]numpy[0-9]{1,2})?([+.]post[0-9]{1,2})?([.][0-9])?[-]"
 regex_wheel_version2 = "[-]([0-9]+)[-]cp"