diff --git a/3rd_party/sources/cpsolver-1.4-SNAPSHOT-sources.jar b/3rd_party/sources/cpsolver-1.4-SNAPSHOT-sources.jar
index 346b223b95..55f14b3d99 100644
Binary files a/3rd_party/sources/cpsolver-1.4-SNAPSHOT-sources.jar and b/3rd_party/sources/cpsolver-1.4-SNAPSHOT-sources.jar differ
diff --git a/WebContent/WEB-INF/lib/cpsolver-1.4-SNAPSHOT.jar b/WebContent/WEB-INF/lib/cpsolver-1.4-SNAPSHOT.jar
index ff55a6b2ab..5f3ccdf382 100644
Binary files a/WebContent/WEB-INF/lib/cpsolver-1.4-SNAPSHOT.jar and b/WebContent/WEB-INF/lib/cpsolver-1.4-SNAPSHOT.jar differ
diff --git a/WebContent/help/Release-Notes.xml b/WebContent/help/Release-Notes.xml
index 1e8e776bf6..c08d206b95 100644
--- a/WebContent/help/Release-Notes.xml
+++ b/WebContent/help/Release-Notes.xml
@@ -55,6 +55,12 @@
 				<line>When enabled, the Date Pattern list box is replaced by a text field with suggestions.</line>
 			</description>
 		</item>
+		<item>
+			<name>Extended Student Conflicts Constraint</name>
+			<description>
+				<line>Fixed a concurrency issue.</line>
+			</description>
+		</item>
 	</category>
 	<category>
 		<title>Student Scheduling</title>