diff --git a/.circleci/config.yml b/.circleci/config.yml
index 5bfc565..7027b2b 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -34,7 +34,8 @@ jobs:
             . venv/bin/activate
             pip install -r requirements.txt
             pip install pytest
-            sudo apt-get install -y libgdcm-tools
+            sudo apt update
+            sudo apt install -y libgdcm-tools
 
       - save_cache:
           paths: