diff --git a/README.md b/README.md
index becc4c5..6db43da 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,11 @@ Mock implementation of the OOAPI for educational institutions.
 - Java 8
 - Maven 3
 
+Set the JAVA_HOME property for maven (example for macOS):
+```
+export JAVA_HOME=/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/
+```
+
 ## [Building and running](#building-and-running)
 
 ### [The student-mobility-home-institution-mock-server](#student-mobility-home-institution-mock-server)
diff --git a/pom.xml b/pom.xml
index 543a2f7..1042585 100644
--- a/pom.xml
+++ b/pom.xml
@@ -55,8 +55,13 @@
         </dependency>
         <dependency>
             <groupId>org.bouncycastle</groupId>
-            <artifactId>bcpkix-jdk15on</artifactId>
-            <version>1.66</version>
+            <artifactId>bcprov-jdk18on</artifactId>
+            <version>1.77</version>
+        </dependency>
+        <dependency>
+            <groupId>org.bouncycastle</groupId>
+            <artifactId>bcpkix-jdk18on</artifactId>
+            <version>1.77</version>
         </dependency>
         <dependency>
             <groupId>com.github.spullara.mustache.java</groupId>