diff --git a/.github/workflows/consistency_checks.yml b/.github/workflows/consistency_checks.yml
index e484117a..9d339d16 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: [1.45.x]
+        deno-version: [2.0.x]
         module: [
           core,
           jetstream,
diff --git a/.github/workflows/core.yml b/.github/workflows/core.yml
index 2c6e7872..35fcd0a3 100644
--- a/.github/workflows/core.yml
+++ b/.github/workflows/core.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest-4-cores
     strategy:
       matrix:
-        deno-version: [1.45.x]
+        deno-version: [2.0.x]
         node-version: [22.x]
     permissions:
       contents: read
diff --git a/.github/workflows/deno_checks.yml b/.github/workflows/deno_checks.yml
index 78a12325..2a909a87 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: [1.45.x]
+        deno-version: [2.0.x]
         module: [core, jetstream, kv, obj, services, transport-deno]
 
     steps:
diff --git a/.github/workflows/jetstream.yml b/.github/workflows/jetstream.yml
index 06cf49e2..22c5f25c 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: [1.45.x]
+        deno-version: [2.0.x]
 
     steps:
       - name: Git Checkout Core
diff --git a/.github/workflows/kv.yml b/.github/workflows/kv.yml
index eca9e0de..d1be3a5f 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: [1.45.x]
+        deno-version: [2.0.x]
 
     steps:
       - name: Git Checkout Core
diff --git a/.github/workflows/node_checks.yml b/.github/workflows/node_checks.yml
index 281afa07..57303f8a 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: [1.45.x]
+        deno-version: [2.0.x]
         node-version: [22.x]
 
     steps:
diff --git a/.github/workflows/obj.yml b/.github/workflows/obj.yml
index d4fafb2e..abe7d0d6 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: [1.45.x]
+        deno-version: [2.0.x]
 
     steps:
       - name: Git Checkout Core
diff --git a/.github/workflows/services.yml b/.github/workflows/services.yml
index e8420264..cdc4f334 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: [1.45.x]
+        deno-version: [2.0.x]
 
     steps:
       - name: Git Checkout Core
diff --git a/.github/workflows/transport-node-test.yml b/.github/workflows/transport-node-test.yml
index 242286e7..3c04e251 100644
--- a/.github/workflows/transport-node-test.yml
+++ b/.github/workflows/transport-node-test.yml
@@ -18,7 +18,7 @@ jobs:
   test:
     strategy:
       matrix:
-        deno-version: [1.45.x]
+        deno-version: [2.0.x]
         node-version: [22.x]
 
     name: test node transport with local dependencies
diff --git a/core/import_map.json b/core/import_map.json
index 217cf47b..d9752cfa 100644
--- a/core/import_map.json
+++ b/core/import_map.json
@@ -3,6 +3,6 @@
     "test_helpers": "../test_helpers/mod.ts",
     "@nats-io/nats-core": "./src/mod.ts",
     "@nats-io/nats-core/internal": "./src/internal_mod.ts",
-    "@std/io": "jsr:@std/io@0.224.0"
+    "@std/io": "jsr:@std/io@0.225.0"
   }
 }
diff --git a/transport-deno/deno.json b/transport-deno/deno.json
index 8180ccdd..3477e8de 100644
--- a/transport-deno/deno.json
+++ b/transport-deno/deno.json
@@ -19,7 +19,7 @@
     ]
   },
   "imports": {
-    "@std/io": "jsr:@std/io@0.224.0",
+    "@std/io": "jsr:@std/io@0.225.0",
     "@nats-io/nats-core": "jsr:@nats-io/nats-core@~3.0.0-31",
     "@nats-io/nkeys": "jsr:@nats-io/nkeys@1.2.0-4",
     "@nats-io/nuid": "jsr:@nats-io/nuid@2.0.1-2"