diff --git a/standard-builder-with-libressl-4.2.0/combine-images.bash b/standard-builder-with-libressl-4.2.0/combine-images.bash
index 011ab7c..a203146 100644
--- a/standard-builder-with-libressl-4.2.0/combine-images.bash
+++ b/standard-builder-with-libressl-4.2.0/combine-images.bash
@@ -23,6 +23,11 @@ check_image() {
 
 merge_images() {
   local TAG="$1"
+  # Reset the accumulator each call: check_image appends to it, so without this
+  # the release merge reuses the nightly per-arch images collected by the
+  # nightly merge and publishes all four under the release manifest, leaving
+  # :release resolve to the nightly image on each platform.
+  sources=()
   echo "Checking available architecture images for ${NAME}:$TAG"
 
   check_image "${NAME}:${TAG}-amd64"
diff --git a/standard-builder-with-libressl-4.2.1/combine-images.bash b/standard-builder-with-libressl-4.2.1/combine-images.bash
index af94abc..0eb7162 100644
--- a/standard-builder-with-libressl-4.2.1/combine-images.bash
+++ b/standard-builder-with-libressl-4.2.1/combine-images.bash
@@ -23,6 +23,11 @@ check_image() {
 
 merge_images() {
   local TAG="$1"
+  # Reset the accumulator each call: check_image appends to it, so without this
+  # the release merge reuses the nightly per-arch images collected by the
+  # nightly merge and publishes all four under the release manifest, leaving
+  # :release resolve to the nightly image on each platform.
+  sources=()
   echo "Checking available architecture images for ${NAME}:$TAG"
 
   check_image "${NAME}:${TAG}-amd64"
diff --git a/standard-builder-with-openssl-3.6.0/combine-images.bash b/standard-builder-with-openssl-3.6.0/combine-images.bash
index 607e9db..d069785 100644
--- a/standard-builder-with-openssl-3.6.0/combine-images.bash
+++ b/standard-builder-with-openssl-3.6.0/combine-images.bash
@@ -23,6 +23,11 @@ check_image() {
 
 merge_images() {
   local TAG="$1"
+  # Reset the accumulator each call: check_image appends to it, so without this
+  # the release merge reuses the nightly per-arch images collected by the
+  # nightly merge and publishes all four under the release manifest, leaving
+  # :release resolve to the nightly image on each platform.
+  sources=()
   echo "Checking available architecture images for ${NAME}:$TAG"
 
   check_image "${NAME}:${TAG}-amd64"
diff --git a/standard-builder-with-openssl-3.6.2/combine-images.bash b/standard-builder-with-openssl-3.6.2/combine-images.bash
index 5388c8a..bf6b480 100644
--- a/standard-builder-with-openssl-3.6.2/combine-images.bash
+++ b/standard-builder-with-openssl-3.6.2/combine-images.bash
@@ -23,6 +23,11 @@ check_image() {
 
 merge_images() {
   local TAG="$1"
+  # Reset the accumulator each call: check_image appends to it, so without this
+  # the release merge reuses the nightly per-arch images collected by the
+  # nightly merge and publishes all four under the release manifest, leaving
+  # :release resolve to the nightly image on each platform.
+  sources=()
   echo "Checking available architecture images for ${NAME}:$TAG"
 
   check_image "${NAME}:${TAG}-amd64"
diff --git a/standard-builder-with-openssl-4.0.0/combine-images.bash b/standard-builder-with-openssl-4.0.0/combine-images.bash
index 2ded446..7a95db1 100644
--- a/standard-builder-with-openssl-4.0.0/combine-images.bash
+++ b/standard-builder-with-openssl-4.0.0/combine-images.bash
@@ -23,6 +23,11 @@ check_image() {
 
 merge_images() {
   local TAG="$1"
+  # Reset the accumulator each call: check_image appends to it, so without this
+  # the release merge reuses the nightly per-arch images collected by the
+  # nightly merge and publishes all four under the release manifest, leaving
+  # :release resolve to the nightly image on each platform.
+  sources=()
   echo "Checking available architecture images for ${NAME}:$TAG"
 
   check_image "${NAME}:${TAG}-amd64"