diff --git a/ci/Dockerfile-bun b/ci/Dockerfile-bun
index 2682d7510..1a4de744d 100644
--- a/ci/Dockerfile-bun
+++ b/ci/Dockerfile-bun
@@ -14,7 +14,7 @@ LABEL maintainer="cyclonedx" \
 ARG SWIFT_SIGNING_KEY=A62AE125BBBFBB96A6E042EC925CC1CCED3D1561
 ARG SWIFT_PLATFORM=ubi9
 ARG SWIFT_BRANCH=swift-5.10.1-release
-ARG SWIFT_VERSION=swift-5.10.1-release
+ARG SWIFT_VERSION=swift-5.10.1-RELEASE
 ARG SWIFT_WEBROOT=https://download.swift.org
 ARG JAVA_VERSION=22.0.1-tem
 ARG SBT_VERSION=1.9.9
diff --git a/ci/Dockerfile-deno b/ci/Dockerfile-deno
index 41c888a9c..5e5956b19 100644
--- a/ci/Dockerfile-deno
+++ b/ci/Dockerfile-deno
@@ -14,7 +14,7 @@ LABEL maintainer="cyclonedx" \
 ARG SWIFT_SIGNING_KEY=A62AE125BBBFBB96A6E042EC925CC1CCED3D1561
 ARG SWIFT_PLATFORM=ubi9
 ARG SWIFT_BRANCH=swift-5.10.1-release
-ARG SWIFT_VERSION=swift-5.10.1-release
+ARG SWIFT_VERSION=swift-5.10.1-RELEASE
 ARG SWIFT_WEBROOT=https://download.swift.org
 ARG JAVA_VERSION=22.0.1-tem
 ARG SBT_VERSION=1.9.9