diff --git a/4.0-rc/alpine/Dockerfile b/4.0-rc/alpine/Dockerfile
index bf030e1..4306f42 100644
--- a/4.0-rc/alpine/Dockerfile
+++ b/4.0-rc/alpine/Dockerfile
@@ -31,10 +31,10 @@ ENV OPENSSL_SOURCE_SHA256="2e8a40b01979afe8be0bbfb3de5dc1c6709fedb46d6c89c10da11
 # https://www.openssl.org/source/
 ENV OPENSSL_PGP_KEY_IDS="0xBA5473A2B0587B07FB27CF2D216094DFD0CB81EF"
 
-ENV OTP_VERSION 26.2.5.2
+ENV OTP_VERSION 26.2.5.3
 # TODO add PGP checking when the feature will be added to Erlang/OTP's build system
 # https://erlang.org/pipermail/erlang-questions/2019-January/097067.html
-ENV OTP_SOURCE_SHA256="e49708cf1f602863e394869af48df4abcb39e3633b96cb4babde3ee7aa724872"
+ENV OTP_SOURCE_SHA256="c2707ce08e91235145cdfc487352f05570a2a0bddf1c478154549eb9e68805b0"
 
 # install openssl & erlang to a path that isn't auto-checked for libs to prevent accidental use by system packages
 ENV ERLANG_INSTALL_PATH_PREFIX /opt/erlang
diff --git a/4.0-rc/ubuntu/Dockerfile b/4.0-rc/ubuntu/Dockerfile
index 3d3fdf8..d8b9546 100644
--- a/4.0-rc/ubuntu/Dockerfile
+++ b/4.0-rc/ubuntu/Dockerfile
@@ -34,10 +34,10 @@ ENV OPENSSL_SOURCE_SHA256="2e8a40b01979afe8be0bbfb3de5dc1c6709fedb46d6c89c10da11
 # https://www.openssl.org/source/
 ENV OPENSSL_PGP_KEY_IDS="0xBA5473A2B0587B07FB27CF2D216094DFD0CB81EF"
 
-ENV OTP_VERSION 26.2.5.2
+ENV OTP_VERSION 26.2.5.3
 # TODO add PGP checking when the feature will be added to Erlang/OTP's build system
 # https://erlang.org/pipermail/erlang-questions/2019-January/097067.html
-ENV OTP_SOURCE_SHA256="e49708cf1f602863e394869af48df4abcb39e3633b96cb4babde3ee7aa724872"
+ENV OTP_SOURCE_SHA256="c2707ce08e91235145cdfc487352f05570a2a0bddf1c478154549eb9e68805b0"
 
 # install openssl & erlang to a path that isn't auto-checked for libs to prevent accidental use by system packages
 ENV ERLANG_INSTALL_PATH_PREFIX /opt/erlang
diff --git a/versions.json b/versions.json
index 1fdb0eb..3a3d389 100644
--- a/versions.json
+++ b/versions.json
@@ -44,8 +44,8 @@
       "version": "3.3.2"
     },
     "otp": {
-      "sha256": "e49708cf1f602863e394869af48df4abcb39e3633b96cb4babde3ee7aa724872",
-      "version": "26.2.5.2"
+      "sha256": "c2707ce08e91235145cdfc487352f05570a2a0bddf1c478154549eb9e68805b0",
+      "version": "26.2.5.3"
     },
     "ubuntu": {
       "version": "24.04"