diff --git a/4.0/alpine/Dockerfile b/4.0/alpine/Dockerfile
index c6060d4..4031762 100644
--- a/4.0/alpine/Dockerfile
+++ b/4.0/alpine/Dockerfile
@@ -31,10 +31,10 @@ ENV OPENSSL_SOURCE_SHA256="712590fd20aaa60ec75d778fe5b810d6b829ca7fb1e530577917a
 # https://www.openssl.org/source/
 ENV OPENSSL_PGP_KEY_IDS="0xBA5473A2B0587B07FB27CF2D216094DFD0CB81EF"
 
-ENV OTP_VERSION 27.2.4
+ENV OTP_VERSION 27.3
 # 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="2b98483f73570203015c1d1f87f29c2d0208a8fc7220af2225cf1eb3dfd508f6"
+ENV OTP_SOURCE_SHA256="efe76126938f237c0d3a0e2e8753c5cb823235d4d53708833bbc0968d76c39b8"
 
 # 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/ubuntu/Dockerfile b/4.0/ubuntu/Dockerfile
index d847bac..44593a0 100644
--- a/4.0/ubuntu/Dockerfile
+++ b/4.0/ubuntu/Dockerfile
@@ -34,10 +34,10 @@ ENV OPENSSL_SOURCE_SHA256="712590fd20aaa60ec75d778fe5b810d6b829ca7fb1e530577917a
 # https://www.openssl.org/source/
 ENV OPENSSL_PGP_KEY_IDS="0xBA5473A2B0587B07FB27CF2D216094DFD0CB81EF"
 
-ENV OTP_VERSION 27.2.4
+ENV OTP_VERSION 27.3
 # 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="2b98483f73570203015c1d1f87f29c2d0208a8fc7220af2225cf1eb3dfd508f6"
+ENV OTP_SOURCE_SHA256="efe76126938f237c0d3a0e2e8753c5cb823235d4d53708833bbc0968d76c39b8"
 
 # 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 29f08e8..1c28513 100644
--- a/versions.json
+++ b/versions.json
@@ -26,8 +26,8 @@
       "version": "3.3.3"
     },
     "otp": {
-      "sha256": "2b98483f73570203015c1d1f87f29c2d0208a8fc7220af2225cf1eb3dfd508f6",
-      "version": "27.2.4"
+      "sha256": "efe76126938f237c0d3a0e2e8753c5cb823235d4d53708833bbc0968d76c39b8",
+      "version": "27.3"
     },
     "ubuntu": {
       "version": "24.04"