diff --git a/containers/elixir-phoenix-postgres/.devcontainer/Dockerfile b/containers/elixir-phoenix-postgres/.devcontainer/Dockerfile
index da0b6c39a4..c2085b33db 100644
--- a/containers/elixir-phoenix-postgres/.devcontainer/Dockerfile
+++ b/containers/elixir-phoenix-postgres/.devcontainer/Dockerfile
@@ -11,8 +11,8 @@ ARG USER_GID=$USER_UID
 # Options for common package install script
 ARG INSTALL_ZSH="true"
 ARG UPGRADE_PACKAGES="true"
-ARG COMMON_SCRIPT_SOURCE="https://raw.githubusercontent.com/microsoft/vscode-dev-containers/main/script-library/common-debian.sh"
-ARG COMMON_SCRIPT_SHA="dev-mode"
+ARG COMMON_SCRIPT_SOURCE="https://raw.githubusercontent.com/microsoft/vscode-dev-containers/v0.231.6/script-library/common-debian.sh"
+ARG COMMON_SCRIPT_SHA="3c3543c8aa1f3adba62ae1a9e204846f8448c4cbfee1bce1edaf2a9fefac85df"
 
 # Optional Settings for Phoenix
 ARG PHOENIX_VERSION="1.6.2"
diff --git a/containers/elixir/.devcontainer/Dockerfile b/containers/elixir/.devcontainer/Dockerfile
index cb63d6ea2e..fb28e7b655 100644
--- a/containers/elixir/.devcontainer/Dockerfile
+++ b/containers/elixir/.devcontainer/Dockerfile
@@ -11,8 +11,8 @@ ARG USER_GID=$USER_UID
 # Options for common package install script
 ARG INSTALL_ZSH="true"
 ARG UPGRADE_PACKAGES="true"
-ARG COMMON_SCRIPT_SOURCE="https://raw.githubusercontent.com/microsoft/vscode-dev-containers/main/script-library/common-debian.sh"
-ARG COMMON_SCRIPT_SHA="dev-mode"
+ARG COMMON_SCRIPT_SOURCE="https://raw.githubusercontent.com/microsoft/vscode-dev-containers/v0.231.6/script-library/common-debian.sh"
+ARG COMMON_SCRIPT_SHA="3c3543c8aa1f3adba62ae1a9e204846f8448c4cbfee1bce1edaf2a9fefac85df"
 
 # Install needed packages and setup non-root user. Use a separate RUN statement to add your own dependencies.
 RUN apt-get update \