diff --git a/build.gradle b/build.gradle
index db236c8..fc28be5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,7 +17,7 @@ bb4 {
 
 dependencies {
     // starting in scala 2.13, parallel collections must be included separately
-    implementation 'org.scala-lang.modules:scala-parallel-collections_3:1.0.4'
+    implementation 'org.scala-lang.modules:scala-parallel-collections_3:1.2.0'
     implementation 'com.barrybecker4:bb4-ui:2.1-SNAPSHOT'
     implementation 'com.barrybecker4:bb4-math:2.1-SNAPSHOT'
     implementation 'com.barrybecker4:bb4-common:2.1-SNAPSHOT'