diff --git a/solution/solution.tsproj b/solution/solution.tsproj
index 45bd716..c28cc38 100644
--- a/solution/solution.tsproj
+++ b/solution/solution.tsproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<TcSmProject xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://www.beckhoff.com/schemas/2012/07/TcSmProject" TcSmVersion="1.0" TcVersion="3.1.4024.0">
+<TcSmProject xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://www.beckhoff.com/schemas/2012/07/TcSmProject" TcSmVersion="1.0" TcVersion="3.1.4023.119">
 	<DataTypes>
 		<DataType>
 			<Name GUID="{4C3FC5AC-D5AA-44C6-AC5A-159774BA0F6D}" Namespace="MC" TcBaseType="true" HideType="true" IecDeclaration="DWORD;">NCTOPLC_AXIS_REF_STATE</Name>
diff --git a/twincat_version_manager.py b/twincat_version_manager.py
index 5de2274..b420619 100644
--- a/twincat_version_manager.py
+++ b/twincat_version_manager.py
@@ -1,8 +1,8 @@
 import glob
 import xml.etree.ElementTree as ET
 
-VERSION_TAGS = {"**/*.Tc*": "ProductVersion", "**/*.tsproj": "TcVersion"}
-CORRECT_VERSION = "3.1.4024.0"
+VERSION_TAGS     = {"**/*.Tc*": "ProductVersion", "**/*.tsproj": "TcVersion"}
+CORRECT_VERSIONS = {"**/*.Tc*": "3.1.4024.0",     "**/*.tsproj": "3.1.4023.119"}
 
 
 def check_versions():
@@ -12,8 +12,10 @@ def check_versions():
     listed in VERSION_TAGS.
     :return: A dictionary of incorrect files and their version numbers
     """
-    incorrect_files = dict()
+    incorrect_files_exp = dict()
+    incorrect_files_act = dict()
     for file_path, version_attrib in VERSION_TAGS.items():
+        correct_version = CORRECT_VERSIONS[file_path]
         found_files = glob.glob(file_path, recursive=True)
         if not found_files:
             raise IOError("ERROR: No files of type {} found".format(file_path))
@@ -21,19 +23,21 @@ def check_versions():
             tree = ET.parse(file)
             try:
                 found_version = tree.getroot().attrib[version_attrib]
-                if found_version != CORRECT_VERSION:
-                    incorrect_files[file] = found_version
+                if found_version != correct_version:
+                    incorrect_files_exp[file] = correct_version
+                    incorrect_files_act[file] = found_version
             except KeyError:
                 print("WARNING: No version found for {}".format(file))
-    return incorrect_files
+    return incorrect_files_exp, incorrect_files_act
 
 
 if __name__ == "__main__":
     try:
-        incorrect_files = check_versions()
-        for file, version in incorrect_files.items():
-            print("ERROR: {} has incorrect version {}, expected version {}".format(file, version, CORRECT_VERSION))
-        if incorrect_files:
+        incorrect_files_exp, incorrect_files_act = check_versions()
+        for file, version in incorrect_files_act.items():
+            correct_version = incorrect_files_exp[file]
+            print("ERROR: {} has incorrect version {}, expected version {}".format(file, version, correct_version))
+        if incorrect_files_act:
             exit(1)
     except IOError as e:
         print(e)  # Likely no files found