diff --git a/.bazelrc b/.bazelrc
index 925c42ec24d0..dd75fa933f14 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -65,7 +65,10 @@ build:rbe-25_3 --config=rbe
 build:rbe-25_3 --platforms=//bazel/platforms:erlang_linux_25_3_platform
 
 build:rbe-26 --config=rbe
-build:rbe-26 --platforms=//bazel/platforms:erlang_linux_26_platform
+build:rbe-26 --platforms=//bazel/platforms:erlang_linux_26_1_platform
+
+build:rbe-26_1 --config=rbe
+build:rbe-26_1 --platforms=//bazel/platforms:erlang_linux_26_1_platform
 
 # no-op config so that --config=local does not error
 build:local --color=auto
diff --git a/.github/workflows/check-build-system-equivalence-release-branches.yaml b/.github/workflows/check-build-system-equivalence-release-branches.yaml
index bc29ce9f1d73..f98833aab837 100644
--- a/.github/workflows/check-build-system-equivalence-release-branches.yaml
+++ b/.github/workflows/check-build-system-equivalence-release-branches.yaml
@@ -6,23 +6,23 @@ jobs:
   check-main:
     uses: ./.github/workflows/check-build-system-equivalence.yaml
     with:
-      ref: main
-      erlang_version: 26.0
+     ref: refs/heads/main
+      erlang_version: 26.1
       elixir_version: 1.15
       project_version: 3.13.0
 
   check-v3_12_x:
     uses: ./.github/workflows/check-build-system-equivalence.yaml
     with:
-      ref: v3.12.x
-      erlang_version: 26.0
+     ref: refs/heads/v3.12.x
+      erlang_version: 26.1
       elixir_version: 1.15
       project_version: 3.12.0
 
   check-v3_11_x:
     uses: ./.github/workflows/check-build-system-equivalence.yaml
     with:
-      ref: v3.11.x
-      erlang_version: 26.0
+     ref: refs/heads/v3.11.x
+      erlang_version: 26.1
       elixir_version: 1.15
       project_version: 3.11.0
diff --git a/.github/workflows/check-build-system-equivalence.yaml b/.github/workflows/check-build-system-equivalence.yaml
index 494f8f692a25..4a7f9ce91e30 100644
--- a/.github/workflows/check-build-system-equivalence.yaml
+++ b/.github/workflows/check-build-system-equivalence.yaml
@@ -19,7 +19,7 @@ on:
       erlang_version:
         description: 'OTP version to build with'
         required: true
-        default: "26.0"
+        default: "26.1"
       elixir_version:
         description: 'Elixir version to build with'
         required: true
diff --git a/.github/workflows/oci.yaml b/.github/workflows/oci.yaml
index af191e93de46..9936d562d7c8 100644
--- a/.github/workflows/oci.yaml
+++ b/.github/workflows/oci.yaml
@@ -36,7 +36,7 @@ jobs:
           - image_tag_suffix: otp-min-bazel
             otp_version_id: 25_0
           - image_tag_suffix: otp-max-bazel
-            otp_version_id: 26
+            otp_version_id: 26_1
     steps:
       - name: Free Disk Space (Ubuntu)
         uses: jlumbroso/free-disk-space@main
diff --git a/.github/workflows/test-authnz.yaml b/.github/workflows/test-authnz.yaml
index f0e5cf714272..4f8f43c5438f 100644
--- a/.github/workflows/test-authnz.yaml
+++ b/.github/workflows/test-authnz.yaml
@@ -31,12 +31,12 @@ jobs:
       fail-fast: false
       matrix:
         erlang_version:
-        - "26.0"
+        - "26.1"
         browser:
         - chrome
         include:
-        - erlang_version: "26.0"
-          elixir_version: 1.14.5
+        - erlang_version: "26.1"
+          elixir_version: 1.15.2
     env:
       SELENIUM_DIR: deps/rabbitmq_management/selenium
       DOCKER_NETWORK: rabbitmq_net
diff --git a/.github/workflows/test-selenium.yaml b/.github/workflows/test-selenium.yaml
index 1a4c745da6b3..6ac35ff41729 100644
--- a/.github/workflows/test-selenium.yaml
+++ b/.github/workflows/test-selenium.yaml
@@ -31,12 +31,12 @@ jobs:
       fail-fast: false
       matrix:
         erlang_version:
-        - "26.0"
+        - "26.1"
         browser:
         - chrome
         include:
-        - erlang_version: "26.0"
-          elixir_version: 1.14.5
+        - erlang_version: "26.1"
+          elixir_version: 1.15.2
     env:
       SELENIUM_DIR: deps/rabbitmq_management/selenium
       DOCKER_NETWORK: rabbitmq_net
diff --git a/.github/workflows/test-windows.yaml b/.github/workflows/test-windows.yaml
index be7769be2231..0451ff47809c 100644
--- a/.github/workflows/test-windows.yaml
+++ b/.github/workflows/test-windows.yaml
@@ -11,8 +11,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-        - erlang_version: "26.0"
-          elixir_version: "1.14.5"
+       - erlang_version: "26.1"
+          elixir_version: "1.15.2"
     timeout-minutes: 120
     steps:
     - name: CHECKOUT REPOSITORY
diff --git a/.github/workflows/update-otp-patches.yaml b/.github/workflows/update-otp-patches.yaml
index cc0a3d25b03b..01ee4fa013ce 100644
--- a/.github/workflows/update-otp-patches.yaml
+++ b/.github/workflows/update-otp-patches.yaml
@@ -17,7 +17,7 @@ jobs:
         - "25.1"
         - "25.2"
         - "25.3"
-        - "26.0"
+        - "26.1"
         include:
         - erlang_version: "24.3"
           name: '24'
@@ -48,8 +48,8 @@ jobs:
             backport-v3.12.x
             backport-v3.11.x
             backport-v3.10.x
-        - erlang_version: "26.0"
-          name: '26'
+        - erlang_version: "26.1"
+          name: '26_1'
           branch: main
           labels: |
             backport-v3.12.x
diff --git a/MODULE.bazel b/MODULE.bazel
index 9602262a8445..4e277690b520 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -95,9 +95,9 @@ erlang_config.internal_erlang_from_github_release(
 )
 
 erlang_config.internal_erlang_from_github_release(
-    name = "26",
-    sha256 = "47853ea9230643a0a31004433f07a71c1b92d6e0094534f629e3b75dbc62f193",
-    version = "26.0.2",
+    name = "26_1",
+    sha256 = "f914ddea79019ab2533911cdd4f91653726ac9b0561b3ec57aa6ecbcc3df3f55",
+    version = "26.1",
 )
 
 erlang_config.internal_erlang_from_http_archive(
@@ -151,8 +151,8 @@ register_toolchains(
     "@erlang_config//25_2:toolchain_major_minor",
     "@erlang_config//25_3:toolchain_major",
     "@erlang_config//25_3:toolchain_major_minor",
-    "@erlang_config//26:toolchain_major",
-    "@erlang_config//26:toolchain_major_minor",
+    "@erlang_config//26_1:toolchain_major",
+    "@erlang_config//26_1:toolchain_major_minor",
     "@erlang_config//git_master:toolchain_major",
     "@erlang_config//git_master:toolchain_major_minor",
     "@elixir_config//external:toolchain",
diff --git a/WORKSPACE b/WORKSPACE
index 97bdb9662dab..684f8dcca8b0 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -106,10 +106,10 @@ http_file(
 )
 
 http_file(
-    name = "otp_src_26",
-    downloaded_file_path = "OTP-26.0.2.tar.gz",
-    sha256 = "4def5ed5e49815fb02fceae8a66e94abc1049f5de30f97d9ad12fdf3293a2470",
-    urls = ["https://github.com/erlang/otp/archive/OTP-26.0.2.tar.gz"],
+    name = "otp_src_26_1",
+    downloaded_file_path = "OTP-26.1.tar.gz",
+    sha256 = "09864524516bd26be040ae9ee09d70ce38ded2bcec041bc36081313b5031dfe8",
+    urls = ["https://github.com/erlang/otp/archive/OTP-26.1.tar.gz"],
 )
 
 new_git_repository(
diff --git a/bazel/platforms/BUILD.bazel b/bazel/platforms/BUILD.bazel
index d76ca5cc7c55..9985275396b5 100644
--- a/bazel/platforms/BUILD.bazel
+++ b/bazel/platforms/BUILD.bazel
@@ -57,9 +57,9 @@ platform(
 )
 
 platform(
-    name = "erlang_linux_26_platform",
+    name = "erlang_linux_26_1_platform",
     constraint_values = [
-        "@erlang_config//:erlang_26",
+        "@erlang_config//:erlang_26_1",
         "@elixir_config//:elixir_1_15",
     ],
     parents = ["@rbe//config:platform"],
diff --git a/packaging/docker-image/BUILD.bazel b/packaging/docker-image/BUILD.bazel
index 6ef1c33dc023..560ce1c758ad 100644
--- a/packaging/docker-image/BUILD.bazel
+++ b/packaging/docker-image/BUILD.bazel
@@ -141,7 +141,7 @@ container_image(
         "@erlang_config//:erlang_25_1": ["@otp_src_25_1//file"],
         "@erlang_config//:erlang_25_2": ["@otp_src_25_2//file"],
         "@erlang_config//:erlang_25_3": ["@otp_src_25_3//file"],
-        "@erlang_config//:erlang_26_0": ["@otp_src_26//file"],
+        "@erlang_config//:erlang_26_1": ["@otp_src_26_1//file"],
     }),
 )