diff --git a/.github/workflows/consistency_checks.yml b/.github/workflows/consistency_checks.yml
index 9d339d16..ba1294e6 100644
--- a/.github/workflows/consistency_checks.yml
+++ b/.github/workflows/consistency_checks.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest-4-cores
     strategy:
       matrix:
-        deno-version: [2.0.x]
+        deno-version: [2.1.x]
         module: [
           core,
           jetstream,
diff --git a/.github/workflows/core.yml b/.github/workflows/core.yml
index 35fcd0a3..04d126b0 100644
--- a/.github/workflows/core.yml
+++ b/.github/workflows/core.yml
@@ -14,8 +14,8 @@ jobs:
     runs-on: ubuntu-latest-4-cores
     strategy:
       matrix:
-        deno-version: [2.0.x]
-        node-version: [22.x]
+        deno-version: [2.1.x]
+        node-version: [23.x]
     permissions:
       contents: read
       id-token: write
diff --git a/.github/workflows/deno_checks.yml b/.github/workflows/deno_checks.yml
index f9eade38..8211ab39 100644
--- a/.github/workflows/deno_checks.yml
+++ b/.github/workflows/deno_checks.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest-4-cores
     strategy:
       matrix:
-        deno-version: [2.0.x]
+        deno-version: [2.1.x]
         module: [core, jetstream, kv, obj, services, transport-deno]
 
     steps:
diff --git a/.github/workflows/jetstream.yml b/.github/workflows/jetstream.yml
index 22c5f25c..b1e807eb 100644
--- a/.github/workflows/jetstream.yml
+++ b/.github/workflows/jetstream.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest-4-cores
     strategy:
       matrix:
-        deno-version: [2.0.x]
+        deno-version: [2.1.x]
 
     steps:
       - name: Git Checkout Core
diff --git a/.github/workflows/kv.yml b/.github/workflows/kv.yml
index d1be3a5f..0939b7fa 100644
--- a/.github/workflows/kv.yml
+++ b/.github/workflows/kv.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest-4-cores
     strategy:
       matrix:
-        deno-version: [2.0.x]
+        deno-version: [2.1.x]
 
     steps:
       - name: Git Checkout Core
diff --git a/.github/workflows/node_checks.yml b/.github/workflows/node_checks.yml
index 40da9961..acd8fcaf 100644
--- a/.github/workflows/node_checks.yml
+++ b/.github/workflows/node_checks.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest-4-cores
     strategy:
       matrix:
-        deno-version: [2.0.x]
+        deno-version: [2.1.x]
         node-version: [23.x]
 
     steps:
diff --git a/.github/workflows/obj.yml b/.github/workflows/obj.yml
index abe7d0d6..91526cba 100644
--- a/.github/workflows/obj.yml
+++ b/.github/workflows/obj.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest-4-cores
     strategy:
       matrix:
-        deno-version: [2.0.x]
+        deno-version: [2.1.x]
 
     steps:
       - name: Git Checkout Core
diff --git a/.github/workflows/services.yml b/.github/workflows/services.yml
index cdc4f334..35ac7274 100644
--- a/.github/workflows/services.yml
+++ b/.github/workflows/services.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest-4-cores
     strategy:
       matrix:
-        deno-version: [2.0.x]
+        deno-version: [2.1.x]
 
     steps:
       - name: Git Checkout Core
diff --git a/.github/workflows/transport-node-test.yml b/.github/workflows/transport-node-test.yml
index 3c04e251..b560fe20 100644
--- a/.github/workflows/transport-node-test.yml
+++ b/.github/workflows/transport-node-test.yml
@@ -18,8 +18,8 @@ jobs:
   test:
     strategy:
       matrix:
-        deno-version: [2.0.x]
-        node-version: [22.x]
+        deno-version: [2.1.x]
+        node-version: [23.x]
 
     name: test node transport with local dependencies
     runs-on: ubuntu-latest-4-cores