diff --git a/symfony/panther/1.0/manifest.json b/symfony/panther/1.0/manifest.json
index c79f6be0a..2fbd2eafd 100644
--- a/symfony/panther/1.0/manifest.json
+++ b/symfony/panther/1.0/manifest.json
@@ -4,11 +4,11 @@
         "ENV PANTHER_NO_SANDBOX 1",
         "# Not mandatory, but recommended",
         "ENV PANTHER_CHROME_ARGUMENTS='--disable-dev-shm-usage'",
-        "RUN apt-get install -y --no-install-recommends chromium chromium-driver",
+        "RUN apt-get update && apt-get install -y --no-install-recommends chromium chromium-driver && rm -rf /var/lib/apt/lists/*",
         "",
         "# Firefox and geckodriver",
         "#ARG GECKODRIVER_VERSION=0.34.0",
-        "#RUN apt-get install -y --no-install-recommends firefox",
+        "#RUN apt-get update && apt-get install -y --no-install-recommends firefox && rm -rf /var/lib/apt/lists/*",
         "#RUN wget -q https://github.com/mozilla/geckodriver/releases/download/v$GECKODRIVER_VERSION/geckodriver-v$GECKODRIVER_VERSION-aarch64.tar.gz; \\",
         "#\ttar -zxf geckodriver-v$GECKODRIVER_VERSION-aarch64.tar.gz -C /usr/bin; \\",
         "#\trm geckodriver-v$GECKODRIVER_VERSION-aarch64.tar.gz"