diff --git a/.github/workflows/forge-test.yml b/.github/workflows/forge-test.yml
index c09ab0f..63dd450 100644
--- a/.github/workflows/forge-test.yml
+++ b/.github/workflows/forge-test.yml
@@ -1,12 +1,15 @@
 name: Forge Tests
 
+env:
+  FOUNDRY_PROFILE: "ci"
+
 on: [push, pull_request]
 
 jobs:
   forge-tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Install Foundry
         uses: onbjerg/foundry-toolchain@v1
@@ -15,6 +18,7 @@ jobs:
 
       - name: Install dependencies
         run: forge install
+        # NOTE: must run `forge update` explicitly, repo uses cached deps instead of pulling fresh
 
       - name: Check formatting
         run: forge fmt --check
diff --git a/.github/workflows/foundry-gas-diff.yml b/.github/workflows/foundry-gas-diff.yml
index ec724cd..2186d19 100644
--- a/.github/workflows/foundry-gas-diff.yml
+++ b/.github/workflows/foundry-gas-diff.yml
@@ -20,7 +20,7 @@ jobs:
     permissions:
       pull-requests: write
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
 
@@ -38,7 +38,7 @@ jobs:
           FOUNDRY_FUZZ_SEED: 0x${{ github.event.pull_request.base.sha || github.sha }}
 
       - name: Compare gas reports
-        uses: Rubilmax/foundry-gas-diff@v3.14
+        uses: Rubilmax/foundry-gas-diff@v3.20
         with:
           summaryQuantile: 0.0 # display all the most significant gas diffs in the summary (defaults to 20%)
           sortCriteria: avg,max # sort diff rows by criteria
diff --git a/.github/workflows/slither-report.yml b/.github/workflows/slither-report.yml
deleted file mode 100644
index f8ad0a4..0000000
--- a/.github/workflows/slither-report.yml
+++ /dev/null
@@ -1,12 +0,0 @@
-name: Slither Report
-on: [push, pull_request]
-jobs:
-  slither-report:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - uses: crytic/slither-action@v0.3.0
-        with:
-          target: "src/"
-          slither-args: "--checklist"
-          fail-on: "low"