diff --git a/27/Dockerfile b/27/Dockerfile
index 6aeed2f4..ea085a9f 100644
--- a/27/Dockerfile
+++ b/27/Dockerfile
@@ -1,6 +1,6 @@
 FROM buildpack-deps:bookworm
 
-ENV OTP_VERSION="27.2" \
+ENV OTP_VERSION="27.2.1" \
     REBAR3_VERSION="3.24.0"
 
 LABEL org.opencontainers.image.version=$OTP_VERSION
@@ -8,8 +8,8 @@ LABEL org.opencontainers.image.version=$OTP_VERSION
 # We'll install the build dependencies for erlang-odbc along with the erlang
 # build process:
 RUN set -xe \
-	&& OTP_DOWNLOAD_URL="https://github.com/erlang/otp/archive/OTP-${OTP_VERSION}.tar.gz" \
-	&& OTP_DOWNLOAD_SHA256="0727cf869622544a2434a104109b31f5fadb8dc6b532287aea182fab95922ea8" \
+	&& OTP_DOWNLOAD_URL="https://github.com/erlang/otp/releases/download/OTP-${OTP_VERSION}/otp_src_${OTP_VERSION}.tar.gz" \
+	&& OTP_DOWNLOAD_SHA256="07982134e10637dde57cf9cdc6dda6f65425810229986136d184766d4db9eda3" \
 	&& runtimeDeps='libodbc1 \
 			libsctp1 \
 			libwxgtk3.2 \
diff --git a/27/alpine/Dockerfile b/27/alpine/Dockerfile
index 4a498b0a..6023a18f 100644
--- a/27/alpine/Dockerfile
+++ b/27/alpine/Dockerfile
@@ -1,13 +1,13 @@
-FROM alpine:3.20
+FROM alpine:3.21
 
-ENV OTP_VERSION="27.2" \
+ENV OTP_VERSION="27.2.1" \
     REBAR3_VERSION="3.24.0"
 
 LABEL org.opencontainers.image.version=$OTP_VERSION
 
 RUN set -xe \
-	&& OTP_DOWNLOAD_URL="https://github.com/erlang/otp/archive/OTP-${OTP_VERSION}.tar.gz" \
-	&& OTP_DOWNLOAD_SHA256="0727cf869622544a2434a104109b31f5fadb8dc6b532287aea182fab95922ea8" \
+	&& OTP_DOWNLOAD_URL="https://github.com/erlang/otp/releases/download/OTP-${OTP_VERSION}/otp_src_${OTP_VERSION}.tar.gz" \
+	&& OTP_DOWNLOAD_SHA256="07982134e10637dde57cf9cdc6dda6f65425810229986136d184766d4db9eda3" \
 	&& REBAR3_DOWNLOAD_SHA256="391b0eaa2825bb427fef1e55a0d166493059175f57a33b00346b84a20398216c" \
 	&& apk add --no-cache --virtual .fetch-deps \
 		curl \
diff --git a/27/slim/Dockerfile b/27/slim/Dockerfile
index bc0a1810..4a5efd31 100644
--- a/27/slim/Dockerfile
+++ b/27/slim/Dockerfile
@@ -1,6 +1,6 @@
 FROM debian:bookworm
 
-ENV OTP_VERSION="27.2" \
+ENV OTP_VERSION="27.2.1" \
     REBAR3_VERSION="3.24.0"
 
 LABEL org.opencontainers.image.version=$OTP_VERSION
@@ -8,8 +8,8 @@ LABEL org.opencontainers.image.version=$OTP_VERSION
 # We'll install the build dependencies, and purge them on the last step to make
 # sure our final image contains only what we've just built:
 RUN set -xe \
-	&& OTP_DOWNLOAD_URL="https://github.com/erlang/otp/archive/OTP-${OTP_VERSION}.tar.gz" \
-	&& OTP_DOWNLOAD_SHA256="0727cf869622544a2434a104109b31f5fadb8dc6b532287aea182fab95922ea8" \
+	&& OTP_DOWNLOAD_URL="https://github.com/erlang/otp/releases/download/OTP-${OTP_VERSION}/otp_src_${OTP_VERSION}.tar.gz" \
+	&& OTP_DOWNLOAD_SHA256="07982134e10637dde57cf9cdc6dda6f65425810229986136d184766d4db9eda3" \
 	&& fetchDeps=' \
 		curl \
 		ca-certificates' \