diff --git a/Clarinet.toml b/Clarinet.toml
index 0343f19..0d45bcb 100644
--- a/Clarinet.toml
+++ b/Clarinet.toml
@@ -8,8 +8,8 @@ requirements = []
 
 [contracts.counter]
 path = 'contracts/counter.clar'
-clarity_version = 2
-epoch = 2.5
+clarity_version = 3
+epoch = 3.0
 
 [repl.analysis]
 passes = ['check_checker']
diff --git a/contracts/counter.clar b/contracts/counter.clar
index cd41294..b9dcec1 100644
--- a/contracts/counter.clar
+++ b/contracts/counter.clar
@@ -13,7 +13,7 @@
 
 (define-read-only (get-count-at-block (block uint))
   (ok (at-block
-    (unwrap! (get-block-info? id-header-hash block) ERR_BLOCK_NOT_FOUND)
+    (unwrap! (get-stacks-block-info? id-header-hash block) ERR_BLOCK_NOT_FOUND)
     (var-get count)
   ))
 )
diff --git a/deployments/default.devnet-plan.yaml b/deployments/default.devnet-plan.yaml
index 424a21c..59fb312 100644
--- a/deployments/default.devnet-plan.yaml
+++ b/deployments/default.devnet-plan.yaml
@@ -11,8 +11,8 @@ plan:
         - contract-publish:
             contract-name: counter
             expected-sender: ST1PQHQKV0RJXZFY1DGX8MNSNYVE3VGZJSRTPGZGM
-            cost: 10760
+            cost: 10830
             path: contracts/counter.clar
             anchor-block-only: true
-            clarity-version: 2
-      epoch: "2.5"
+            clarity-version: 3
+      epoch: "3.0"
diff --git a/settings/Devnet.toml b/settings/Devnet.toml
index 10ca3e1..c6410d5 100644
--- a/settings/Devnet.toml
+++ b/settings/Devnet.toml
@@ -76,10 +76,6 @@ balance = 100_000_000_000_000
 disable_stacks_explorer = false
 disable_stacks_api = false
 bitcoin_controller_block_time = 6000
-# stacks_node_image_url = "localhost:5001/stacks-node:local"
-# stacks_signer_image_url = "localhost:5001/stacks-signer:local"
-# stacks_node_image_url = "quay.io/hirosystems/stacks-node:devnet-2.5"
-# stacks_signer_image_url = "quay.io/hirosystems/stacks-signer:devnet-2.5"
 
 # disable_bitcoin_explorer = true
 # working_dir = "tmp/devnet"
@@ -113,7 +109,7 @@ bitcoin_controller_block_time = 6000
 # epoch_2_2 = 104
 # epoch_2_3 = 105
 # epoch_2_4 = 106
-# epoch_3_0 = 124
+# epoch_3_0 = 144
 
 # Send some stacking orders
 [[devnet.pox_stacking_orders]]