diff --git a/.github/workflows/part_test.yml b/.github/workflows/part_test.yml
index 3e3ccf7..1cdbe05 100644
--- a/.github/workflows/part_test.yml
+++ b/.github/workflows/part_test.yml
@@ -94,7 +94,7 @@ jobs:
         include:
           - otp: "26.0"
             unstable: false
-          - otp: "26.1"
+          - otp: "26.2"
             unstable: false
           - otp: "master"
             unstable: true
@@ -133,7 +133,7 @@ jobs:
         include:
           - otp: "26.0"
             unstable: false
-          - otp: "26.1"
+          - otp: "26.2"
             unstable: false
           - otp: "master"
             unstable: true
@@ -172,10 +172,10 @@ jobs:
         include:
           - elixir: "1.14.5"
             unstable: false
-          - elixir: "1.15.0"
-            unstable: false
           - elixir: "1.15.7"
             unstable: false
+          - elixir: "1.16.0"
+            unstable: false
           - elixir: "main"
             unstable: true
 
diff --git a/.tool-versions b/.tool-versions
index 15e01ad..29d6a67 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,3 +1,3 @@
-erlang 26.1.2
+erlang 26.2.1
 rebar 3.22.1
-elixir 1.15.7
+elixir 1.16.0