diff --git a/pom.xml b/pom.xml
index b435e231..43350cd7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -118,7 +118,7 @@
         <dependency>
             <groupId>com.squareup.okhttp</groupId>
             <artifactId>okhttp</artifactId>
-            <version>2.6.0</version>
+            <version>2.7.4</version>
         </dependency>
     </dependencies>
 
diff --git a/thunder-core/pom.xml b/thunder-core/pom.xml
index 2db1ef9b..b99734cf 100644
--- a/thunder-core/pom.xml
+++ b/thunder-core/pom.xml
@@ -100,34 +100,34 @@
         <dependency>
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
-            <version>1.3.176</version>
+            <version>2.0.202</version>
         </dependency>
 
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5</version>
+            <version>4.5.13</version>
         </dependency>
 
 
         <dependency>
             <groupId>org.bitcoinj</groupId>
             <artifactId>bitcoinj-core</artifactId>
-            <version>0.13.1</version>
+            <version>0.16</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.5</version>
+            <version>2.8.9</version>
         </dependency>
 
 
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
         </dependency>
 
         <dependency>
@@ -145,24 +145,24 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.36</version>
+            <version>8.0.27</version>
         </dependency>
 
         <dependency>
             <groupId>org.eclipse.jetty.websocket</groupId>
             <artifactId>websocket-client</artifactId>
-            <version>9.3.2.v20150730</version>
+            <version>9.4.39.v20210325</version>
         </dependency>
         <dependency>
             <groupId>org.bouncycastle</groupId>
             <artifactId>bcprov-jdk15on</artifactId>
-            <version>1.54</version>
+            <version>1.66</version>
         </dependency>
 
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.0.33.Final</version>
+            <version>4.1.44.Final</version>
         </dependency>