diff --git a/gsrs-module-substance-example/pom.xml b/gsrs-module-substance-example/pom.xml
index 0b731b91..4fea78d4 100644
--- a/gsrs-module-substance-example/pom.xml
+++ b/gsrs-module-substance-example/pom.xml
@@ -252,7 +252,7 @@
         <dependency>
             <groupId>gov.nih.ncats</groupId>
             <artifactId>molwitch-cdk</artifactId>
-            <version>1.0.19</version>
+            <version>1.0.20</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
diff --git a/gsrs-module-substances-api/pom.xml b/gsrs-module-substances-api/pom.xml
index 56e06ffe..d40320c6 100644
--- a/gsrs-module-substances-api/pom.xml
+++ b/gsrs-module-substances-api/pom.xml
@@ -37,7 +37,7 @@
         <dependency>
             <groupId>gov.nih.ncats</groupId>
             <artifactId>molwitch-cdk</artifactId>
-            <version>1.0.19</version>
+            <version>1.0.20</version>
         </dependency>
         <dependency>
             <groupId>gov.nih.ncats</groupId>