diff --git a/0-ai-gatekeeper-protocol/.github/workflows/hypatia-scan.yml b/0-ai-gatekeeper-protocol/.github/workflows/hypatia-scan.yml
index f2bf132..99a08b7 100644
--- a/0-ai-gatekeeper-protocol/.github/workflows/hypatia-scan.yml
+++ b/0-ai-gatekeeper-protocol/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@2f0cc07b4b9bea248ae098aba9e1a8a1de5ec24c # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/0-ai-gatekeeper-protocol/mcp-repo-guardian/.github/workflows/hypatia-scan.yml b/0-ai-gatekeeper-protocol/mcp-repo-guardian/.github/workflows/hypatia-scan.yml
index f2bf132..99a08b7 100644
--- a/0-ai-gatekeeper-protocol/mcp-repo-guardian/.github/workflows/hypatia-scan.yml
+++ b/0-ai-gatekeeper-protocol/mcp-repo-guardian/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@2f0cc07b4b9bea248ae098aba9e1a8a1de5ec24c # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/0-ai-gatekeeper-protocol/repo-guardian-fs/.github/workflows/hypatia-scan.yml b/0-ai-gatekeeper-protocol/repo-guardian-fs/.github/workflows/hypatia-scan.yml
index f2bf132..99a08b7 100644
--- a/0-ai-gatekeeper-protocol/repo-guardian-fs/.github/workflows/hypatia-scan.yml
+++ b/0-ai-gatekeeper-protocol/repo-guardian-fs/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@2f0cc07b4b9bea248ae098aba9e1a8a1de5ec24c # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/a2ml/.github/workflows/hypatia-scan.yml b/a2ml/.github/workflows/hypatia-scan.yml
index f2bf132..99a08b7 100644
--- a/a2ml/.github/workflows/hypatia-scan.yml
+++ b/a2ml/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@2f0cc07b4b9bea248ae098aba9e1a8a1de5ec24c # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/a2ml/actions/validate/.github/workflows/hypatia-scan.yml b/a2ml/actions/validate/.github/workflows/hypatia-scan.yml
index d3a7eff..352214d 100644
--- a/a2ml/actions/validate/.github/workflows/hypatia-scan.yml
+++ b/a2ml/actions/validate/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@e6d7c94229049569db56a7ad5a540c051a010af9 # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/a2ml/bindings/deno/.github/workflows/hypatia-scan.yml b/a2ml/bindings/deno/.github/workflows/hypatia-scan.yml
index d3a7eff..352214d 100644
--- a/a2ml/bindings/deno/.github/workflows/hypatia-scan.yml
+++ b/a2ml/bindings/deno/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@e6d7c94229049569db56a7ad5a540c051a010af9 # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/a2ml/bindings/haskell/.github/workflows/hypatia-scan.yml b/a2ml/bindings/haskell/.github/workflows/hypatia-scan.yml
index d3a7eff..352214d 100644
--- a/a2ml/bindings/haskell/.github/workflows/hypatia-scan.yml
+++ b/a2ml/bindings/haskell/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@e6d7c94229049569db56a7ad5a540c051a010af9 # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/a2ml/bindings/rust/.github/workflows/hypatia-scan.yml b/a2ml/bindings/rust/.github/workflows/hypatia-scan.yml
index d3a7eff..352214d 100644
--- a/a2ml/bindings/rust/.github/workflows/hypatia-scan.yml
+++ b/a2ml/bindings/rust/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@e6d7c94229049569db56a7ad5a540c051a010af9 # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/a2ml/editors/vscode/.github/workflows/hypatia-scan.yml b/a2ml/editors/vscode/.github/workflows/hypatia-scan.yml
index d3a7eff..352214d 100644
--- a/a2ml/editors/vscode/.github/workflows/hypatia-scan.yml
+++ b/a2ml/editors/vscode/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@e6d7c94229049569db56a7ad5a540c051a010af9 # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/a2ml/pandoc/.github/workflows/hypatia-scan.yml b/a2ml/pandoc/.github/workflows/hypatia-scan.yml
index d3a7eff..352214d 100644
--- a/a2ml/pandoc/.github/workflows/hypatia-scan.yml
+++ b/a2ml/pandoc/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@e6d7c94229049569db56a7ad5a540c051a010af9 # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/consent-aware-http/.github/workflows/hypatia-scan.yml b/consent-aware-http/.github/workflows/hypatia-scan.yml
index 880d771..19dd0ef 100644
--- a/consent-aware-http/.github/workflows/hypatia-scan.yml
+++ b/consent-aware-http/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@2f0cc07b4b9bea248ae098aba9e1a8a1de5ec24c # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/k9-svc/.github/workflows/hypatia-scan.yml b/k9-svc/.github/workflows/hypatia-scan.yml
index f2bf132..99a08b7 100644
--- a/k9-svc/.github/workflows/hypatia-scan.yml
+++ b/k9-svc/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@2f0cc07b4b9bea248ae098aba9e1a8a1de5ec24c # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/k9-svc/actions/validate/.github/workflows/hypatia-scan.yml b/k9-svc/actions/validate/.github/workflows/hypatia-scan.yml
index d3a7eff..352214d 100644
--- a/k9-svc/actions/validate/.github/workflows/hypatia-scan.yml
+++ b/k9-svc/actions/validate/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@e6d7c94229049569db56a7ad5a540c051a010af9 # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/k9-svc/bindings/deno/.github/workflows/hypatia-scan.yml b/k9-svc/bindings/deno/.github/workflows/hypatia-scan.yml
index d3a7eff..352214d 100644
--- a/k9-svc/bindings/deno/.github/workflows/hypatia-scan.yml
+++ b/k9-svc/bindings/deno/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@e6d7c94229049569db56a7ad5a540c051a010af9 # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/k9-svc/bindings/haskell/.github/workflows/hypatia-scan.yml b/k9-svc/bindings/haskell/.github/workflows/hypatia-scan.yml
index d3a7eff..352214d 100644
--- a/k9-svc/bindings/haskell/.github/workflows/hypatia-scan.yml
+++ b/k9-svc/bindings/haskell/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@e6d7c94229049569db56a7ad5a540c051a010af9 # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/k9-svc/bindings/rust/.github/workflows/hypatia-scan.yml b/k9-svc/bindings/rust/.github/workflows/hypatia-scan.yml
index d3a7eff..352214d 100644
--- a/k9-svc/bindings/rust/.github/workflows/hypatia-scan.yml
+++ b/k9-svc/bindings/rust/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@e6d7c94229049569db56a7ad5a540c051a010af9 # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/k9-svc/editors/vscode/.github/workflows/hypatia-scan.yml b/k9-svc/editors/vscode/.github/workflows/hypatia-scan.yml
index d3a7eff..352214d 100644
--- a/k9-svc/editors/vscode/.github/workflows/hypatia-scan.yml
+++ b/k9-svc/editors/vscode/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@e6d7c94229049569db56a7ad5a540c051a010af9 # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/k9-svc/pandoc/.github/workflows/hypatia-scan.yml b/k9-svc/pandoc/.github/workflows/hypatia-scan.yml
index d3a7eff..352214d 100644
--- a/k9-svc/pandoc/.github/workflows/hypatia-scan.yml
+++ b/k9-svc/pandoc/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@e6d7c94229049569db56a7ad5a540c051a010af9 # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/lol/.github/workflows/hypatia-scan.yml b/lol/.github/workflows/hypatia-scan.yml
index f2bf132..99a08b7 100644
--- a/lol/.github/workflows/hypatia-scan.yml
+++ b/lol/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@2f0cc07b4b9bea248ae098aba9e1a8a1de5ec24c # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/meta-a2ml/.github/workflows/hypatia-scan.yml b/meta-a2ml/.github/workflows/hypatia-scan.yml
index f2bf132..99a08b7 100644
--- a/meta-a2ml/.github/workflows/hypatia-scan.yml
+++ b/meta-a2ml/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@2f0cc07b4b9bea248ae098aba9e1a8a1de5ec24c # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |
diff --git a/rhodium-standard-repositories/.github/workflows/hypatia-scan.yml b/rhodium-standard-repositories/.github/workflows/hypatia-scan.yml
index f2bf132..99a08b7 100644
--- a/rhodium-standard-repositories/.github/workflows/hypatia-scan.yml
+++ b/rhodium-standard-repositories/.github/workflows/hypatia-scan.yml
@@ -27,8 +27,8 @@ jobs:
       - name: Setup Elixir for Hypatia scanner
         uses: erlef/setup-beam@2f0cc07b4b9bea248ae098aba9e1a8a1de5ec24c # v1.18.2
         with:
-          elixir-version: '1.19.4'
-          otp-version: '28.3'
+          elixir-version: '1.18'
+          otp-version: '27'
 
       - name: Clone Hypatia
         run: |