diff --git a/Dockerfile b/Dockerfile
index 494b1c3..c911d04 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,8 @@ LABEL AlternativeImageName="wollud1969/build-env-java"
 
 
 RUN \
-  wget -qO - https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public | apt-key add - && \
+  curl https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public > adoptopenjdk.key && \
+  apt-key add adoptopenjdk.key && \
   add-apt-repository --yes https://adoptopenjdk.jfrog.io/adoptopenjdk/deb/ && \
   apt update && \
   apt install adoptopenjdk-8-hotspot && \