diff --git a/.github/workflows/prepare-release.yml b/.github/workflows/prepare-release.yml
index 6b0481046..7d10bc7a0 100644
--- a/.github/workflows/prepare-release.yml
+++ b/.github/workflows/prepare-release.yml
@@ -16,8 +16,10 @@ jobs:
       run: |
         CURRENT_VERSION=$(grep '^version = ' Scarb.toml | sed 's/version = "\(.*\)"/\1/')
         SCARB_VERSION=$(grep 'scarb-version = ' Scarb.toml | sed 's/scarb-version = "\(.*\)"/\1/')
+        CAIRO_VERSION=$(grep 'cairo-version = ' Scarb.toml | sed 's/cairo-version = "\(.*\)"/\1/')
         echo "CURRENT_VERSION=$CURRENT_VERSION" >> $GITHUB_ENV
         echo "SCARB_VERSION=$SCARB_VERSION" >> $GITHUB_ENV
+        echo "CAIRO_VERSION=$CAIRO_VERSION" >> $GITHUB_ENV
 
     - name: Extract new version number
       run: echo "NEW_VERSION=${GITHUB_REF#refs/heads/release-v}" >> $GITHUB_ENV
@@ -43,7 +45,7 @@ jobs:
 
     - name: Update presets page
       run: |
-        class_hash get --json | sed -e '1,4d' | python3 scripts/get_hashes_page.py $SCARB_VERSION \
+        class_hash get --json | sed -e '1,4d' | python3 scripts/get_hashes_page.py $CAIRO_VERSION \
           > ./docs/modules/ROOT/pages/utils/_class_hashes.adoc
 
     - name: Auto-commit changes
diff --git a/src/utils/structs/checkpoint.cairo b/src/utils/structs/checkpoint.cairo
index c26938dd8..ec2ec0ab4 100644
--- a/src/utils/structs/checkpoint.cairo
+++ b/src/utils/structs/checkpoint.cairo
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts for Cairo v0.15.0-rc.0 (utils/structs/checkpoint.cairo)
 
-use core::integer::u32_sqrt;
+use core::num::traits::Sqrt;
 use openzeppelin::utils::math;
 use starknet::storage_access::StorePacking;
 use super::storage_array::{StorageArray, StorageArrayTrait};
@@ -55,7 +55,7 @@ pub impl TraceImpl of TraceTrait {
         let mut high = len;
 
         if (len > 5) {
-            let mid = len - u32_sqrt(len).into();
+            let mid = len - len.sqrt().into();
             if (key < checkpoints.read_at(mid).key) {
                 high = mid;
             } else {