diff --git a/bc-sop-api/src/main/java/org/pgpainless/bouncycastle/sop/operation/BCVersion.java b/bc-sop-api/src/main/java/org/pgpainless/bouncycastle/sop/operation/BCVersion.java
index 3e924f9..65d89bd 100644
--- a/bc-sop-api/src/main/java/org/pgpainless/bouncycastle/sop/operation/BCVersion.java
+++ b/bc-sop-api/src/main/java/org/pgpainless/bouncycastle/sop/operation/BCVersion.java
@@ -7,6 +7,8 @@ import org.jetbrains.annotations.Nullable;
 import sop.exception.SOPGPException;
 import sop.operation.Version;
 
+import java.util.Locale;
+
 public class BCVersion
         extends AbstractBCOperation
         implements Version {
@@ -18,7 +20,10 @@ public class BCVersion
     @NotNull
     @Override
     public String getBackendVersion() {
-        return "Bouncy Castle " + new BouncyCastleProvider().getVersionStr();
+        return "Bouncy Castle " +
+                String.format(Locale.US, "%.2f", Double.parseDouble(
+                        new BouncyCastleProvider().getVersionStr()
+                ));
     }
 
     @NotNull