diff --git a/infrastructure/docker/image/resources/install.sh b/infrastructure/docker/image/resources/install.sh
index 781fe16..a26fb6d 100755
--- a/infrastructure/docker/image/resources/install.sh
+++ b/infrastructure/docker/image/resources/install.sh
@@ -7,11 +7,11 @@ function main() {
     apt-get update
     apt-get upgrade -y
     apt-get install -qqy ca-certificates curl gnupg postgresql-client-14
+    curl -Ss --fail https://www.postgresql.org/media/keys/ACCC4CF8.asc | gpg --dearmor | tee /etc/apt/trusted.gpg.d/postgresql-common_pgdg_archive_keyring.gpg
+    sh -c 'echo "deb [signed-by=/etc/apt/trusted.gpg.d/postgresql-common_pgdg_archive_keyring.gpg] https://apt.postgresql.org/pub/repos/apt jammy-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
+    apt-get upgrade -y
     } > /dev/null
-    mkdir /usr/share/postgresql-common/pgdg
-    curl -Sso /usr/share/postgresql-common/pgdg/apt.postgresql.org.asc --fail https://www.postgresql.org/media/keys/ACCC4CF8.asc
-    sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt jammy-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
-            
+
     update-ca-certificates
 
     install -m 0400 /tmp/functions.sh /usr/local/lib/