diff --git a/jwt_signed/callout/pom.xml b/jwt_signed/callout/pom.xml
index 69949c1..06b3617 100644
--- a/jwt_signed/callout/pom.xml
+++ b/jwt_signed/callout/pom.xml
@@ -18,7 +18,7 @@
     <jmockit.version>1.7</jmockit.version>
     <jackson.version>[2.9.10.5,)</jackson.version>
     <guava.version>26.0-jre</guava.version>
-    <bcprov.version>1.62</bcprov.version>
+    <bcprov.version>1.70</bcprov.version>
     <nimbus.version>8.20.1</nimbus.version>
     <commons.lang3.version>3.7</commons.lang3.version>
     <commonsio.version>2.7</commonsio.version>