diff --git a/build.gradle b/build.gradle
index c6c2191a..fe8f5c7e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -79,7 +79,7 @@ dependencies {
 
     //FlexMark
     implementation group: 'com.vladsch.flexmark', name: 'flexmark', version: '0.62.2'
-    implementation group: 'com.vladsch.flexmark', name: 'flexmark-ext-gfm-strikethrough', version: '0.62.2'
+    implementation group: 'com.vladsch.flexmark', name: 'flexmark-ext-gfm-strikethrough', version: '0.64.8'
     implementation group: 'com.vladsch.flexmark', name: 'flexmark-ext-tables', version: '0.62.2'
     implementation group: 'com.vladsch.flexmark', name: 'flexmark-ext-gfm-tasklist', version: '0.62.2'