diff --git a/.travis.yml b/.travis.yml
index 3cb572b..f69d885 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,8 +5,8 @@
 env:
   #- DOCKERFILE=tests/dockerfiles/Debian_Jessie.docker IMGNAME=debjess-grgsm
   #- DOCKERFILE=tests/dockerfiles/Ubuntu_15_04.docker IMGNAME=ubu15.04-grgsm
-  - DOCKERFILE=tests/dockerfiles/Debian_testing.docker IMGNAME=debtest-grgsm
-  - DOCKERFILE=tests/dockerfiles/Ubuntu_16_04.docker IMGNAME=ubu16.04-grgsm
+  #- DOCKERFILE=tests/dockerfiles/Debian_testing.docker IMGNAME=debtest-grgsm
+  #- DOCKERFILE=tests/dockerfiles/Ubuntu_16_04.docker IMGNAME=ubu16.04-grgsm
   - DOCKERFILE=tests/dockerfiles/Ubuntu_16_04_debinstall.docker IMGNAME=ubu16.04-debinst-grgsm
 
 services:
diff --git a/tests/dockerfiles/Ubuntu_16_04_debinstall.docker b/tests/dockerfiles/Ubuntu_16_04_debinstall.docker
index 0ca3321..0a476ce 100644
--- a/tests/dockerfiles/Ubuntu_16_04_debinstall.docker
+++ b/tests/dockerfiles/Ubuntu_16_04_debinstall.docker
@@ -1,7 +1,11 @@
 FROM ubuntu:16.04
 MAINTAINER Ash Wilson
 
+RUN apt-get update && apt-get install -y \
+    software-properties-common
+
 RUN add-apt-repository -y ppa:ptrkrysik/gr-gsm
+
 RUN apt-get update && apt-get install -y \
     gr-gsm