diff --git a/bash/update-composer.sh b/bash/update-composer.sh
new file mode 100755
index 0000000..4ecffaf
--- /dev/null
+++ b/bash/update-composer.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+PHP_VERSION=$1 # Without dot
+COMPOSER_VERSION=$2
+
+if [[ -z "${PHP_VERSION}" ]]; then PHP_VERSION=74; fi
+
+CONTAINER=$(docker ps | grep workspace${PHP_VERSION} | awk '{print $1}')
+
+if [[ -z "${CONTAINER}" ]]; then
+  echo "Unable to find container: workspace${PHP_VERSION}"
+  exit 1
+fi
+
+if [[ -z "${COMPOSER_VERSION}" ]]; then
+  COMPOSER_VERSION=1
+fi
+
+docker exec -ti "${CONTAINER}" composer self-update --${COMPOSER_VERSION}
diff --git a/create-symlinks.sh b/create-symlinks.sh
index 8b3c346..7906b01 100755
--- a/create-symlinks.sh
+++ b/create-symlinks.sh
@@ -6,5 +6,10 @@ BASH_SCRIPTS_DIR="${DIR}/bash"
 BASH_SCRIPTS=(`ls $BASH_SCRIPTS_DIR`)
 
 for FILENAME in "${BASH_SCRIPTS[@]}"; do
-  ln -s ${BASH_SCRIPTS_DIR}/${FILENAME} ${HOME}/
+  BASH_SCRIPT_FILE_PATH="${BASH_SCRIPTS_DIR}/${FILENAME}"
+  SYMLINK_PATH="${HOME}/${FILENAME}"
+
+  if [[ ! -f "${SYMLINK_PATH}" ]]; then
+    ln -s "${BASH_SCRIPT_FILE_PATH}" "${SYMLINK_PATH}"
+  fi
 done
\ No newline at end of file