diff --git a/test/Dockerfiles/bionic.Dockerfile b/test/Dockerfiles/bionic.Dockerfile
index c4ee488..6b2e5b5 100755
--- a/test/Dockerfiles/bionic.Dockerfile
+++ b/test/Dockerfiles/bionic.Dockerfile
@@ -33,5 +33,5 @@ RUN bitcoind --version | head -1
 
 # install script
 WORKDIR ${repo_name}
-RUN ./install.sh --no-gpg-validation
+RUN ./install.sh
 RUN source jmvenv/bin/activate && ./test/run_tests.sh
diff --git a/test/Dockerfiles/centos7.Dockerfile b/test/Dockerfiles/centos7.Dockerfile
index 3cf0e2e..265647c 100755
--- a/test/Dockerfiles/centos7.Dockerfile
+++ b/test/Dockerfiles/centos7.Dockerfile
@@ -29,5 +29,5 @@ RUN bitcoind --version | head -1
 
 # install script
 WORKDIR ${repo_name}
-RUN ./install.sh --no-gpg-validation
+RUN ./install.sh
 RUN source jmvenv/bin/activate && ./test/run_tests.sh
diff --git a/test/Dockerfiles/fedora27.Dockerfile b/test/Dockerfiles/fedora27.Dockerfile
index de890b7..efc7a1a 100755
--- a/test/Dockerfiles/fedora27.Dockerfile
+++ b/test/Dockerfiles/fedora27.Dockerfile
@@ -32,5 +32,5 @@ RUN bitcoind --version | head -1
 
 # install script
 WORKDIR ${repo_name}
-RUN ./install.sh --no-gpg-validation
+RUN ./install.sh
 RUN source jmvenv/bin/activate && ./test/run_tests.sh
diff --git a/test/Dockerfiles/stretch.Dockerfile b/test/Dockerfiles/stretch.Dockerfile
index ef37f79..822882c 100755
--- a/test/Dockerfiles/stretch.Dockerfile
+++ b/test/Dockerfiles/stretch.Dockerfile
@@ -33,5 +33,5 @@ RUN bitcoind --version | head -1
 
 # install script
 WORKDIR ${repo_name}
-RUN ./install.sh --no-gpg-validation
+RUN ./install.sh
 RUN source jmvenv/bin/activate && ./test/run_tests.sh
diff --git a/test/Dockerfiles/xenial.Dockerfile b/test/Dockerfiles/xenial.Dockerfile
index 5d03ebc..a6e0544 100755
--- a/test/Dockerfiles/xenial.Dockerfile
+++ b/test/Dockerfiles/xenial.Dockerfile
@@ -33,5 +33,5 @@ RUN bitcoind --version | head -1
 
 # install script
 WORKDIR ${repo_name}
-RUN ./install.sh --no-gpg-validation
+RUN ./install.sh
 RUN source jmvenv/bin/activate && ./test/run_tests.sh