--- libgeos.py.000	2011-11-12 14:28:32.000000000 +0100
+++ libgeos.py	2011-11-12 14:28:37.000000000 +0100
@@ -100,6 +100,6 @@
 
 # Regular expression should be able to parse version strings such as
-# '3.0.0rc4-CAPI-1.3.3', or '3.0.0-CAPI-1.4.1'
-version_regex = re.compile(r'^(?P<version>(?P<major>\d+)\.(?P<minor>\d+)\.(?P<subminor>\d+))(rc(?P<release_candidate>\d+))?-CAPI-(?P<capi_version>\d+\.\d+\.\d+)$')
+# '3.0.0rc4-CAPI-1.3.3', '3.0.0-CAPI-1.4.1' or '3.4.0dev-CAPI-1.8.0'
+version_regex = re.compile(r'^(?P<version>(?P<major>\d+)\.(?P<minor>\d+)\.(?P<subminor>\d+))((rc(?P<release_candidate>\d+))|dev)?-CAPI-(?P<capi_version>\d+\.\d+\.\d+)$')
 def geos_version_info():
     """