diff --git a/aztec-up/bin/aztec-install b/aztec-up/bin/aztec-install
index 05b0d05d54c9..ff0d21b4603a 100755
--- a/aztec-up/bin/aztec-install
+++ b/aztec-up/bin/aztec-install
@@ -152,7 +152,7 @@ if [ -z "${SKIP_PULL:-}" ]; then
 
   # If not latest, retag to be latest so it runs from scripts.
   if [ $VERSION != "latest" ]; then
-    docker tag aztecprotocol/aztec:$VERSION aztecprotocol/$1:latest
+    docker tag aztecprotocol/aztec:$VERSION aztecprotocol/aztec:latest
   fi
 fi
 
diff --git a/aztec-up/bootstrap.sh b/aztec-up/bootstrap.sh
index 7ed73adbd662..47a69e73c93f 100755
--- a/aztec-up/bootstrap.sh
+++ b/aztec-up/bootstrap.sh
@@ -25,9 +25,6 @@ function release {
   echo_header "aztec-up release"
   local version=${REF_NAME#v}
 
-  # Function to compare versions.
-  version_gt() { test "$(printf '%s\n' "$@" | sort -V | head -n 1)" != "$1"; }
-
   # Read the current version from S3.
   local current_version=$(aws s3 cp s3://install.aztec.network/VERSION - 2>/dev/null || echo "0.0.0")
 
@@ -36,22 +33,17 @@ function release {
     return
   fi
 
-  # Validate that version is a valid semver.
-  if [[ ! "$version" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
-    echo "Warning: $version is not a valid semver version. Skipping version comparison."
-  else
-    # Check if new version is greater than current version.
-    if version_gt "$version" "$current_version"; then
-      echo "Uploading new version: $version"
+  # Check if new version is greater than current version.
+  if [ $(semver sort "$version" "$current_version" | tail -1) == "$version" ]; then
+    echo "Uploading new version: $version"
 
-      # Upload new version to root.
-      do_or_dryrun aws s3 sync ./bin s3://install.aztec.network/
+    # Upload new version to root.
+    do_or_dryrun aws s3 sync ./bin s3://install.aztec.network/
 
-      # Update VERSION file.
-      echo "$version" | do_or_dryrun aws s3 cp - s3://install.aztec.network/VERSION
-    else
-      echo "New version $version is not greater than current version $current_version. Skipping root upload."
-    fi
+    # Update VERSION file.
+    echo "$version" | do_or_dryrun aws s3 cp - s3://install.aztec.network/VERSION
+  else
+    echo "New version $version is not greater than current version $current_version. Skipping root upload."
   fi
 
   # Always create a version directory and upload files there.