diff --git a/.github/workflows/doxygen.yml b/.github/workflows/doxygen.yml
index 764635d9279..10a1465192a 100644
--- a/.github/workflows/doxygen.yml
+++ b/.github/workflows/doxygen.yml
@@ -13,8 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     permissions:
       contents: write
-    container:
-      image: docker://rippleci/rippled-ci-builder:2944b78d22db
+    container: rippleci/rippled-build-ubuntu:aaf5e3e
     steps:
       - name: checkout
         uses: actions/checkout@v4
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 99aa6b7a9df..566fae55c44 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -23,6 +23,10 @@ jobs:
     steps:
       - name: checkout
         uses: actions/checkout@v4
+      - name: install Conan
+        run: |
+          brew install conan@1
+          echo '/opt/homebrew/opt/conan@1/bin' >> $GITHUB_PATH
       - name: install Ninja
         if: matrix.generator == 'Ninja'
         run: brew install ninja
@@ -35,7 +39,8 @@ jobs:
           cmake --version
       - name: configure Conan
         run : |
-          conan profile get env.CXXFLAGS default || true
+          conan profile new default --detect || true
+          conan profile update settings.compiler.cppstd=20 default
           conan profile update 'conf.tools.build:cxxflags+=["-DBOOST_ASIO_DISABLE_CONCEPTS"]' default
       - name: build dependencies
         uses: ./.github/actions/dependencies
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index f103a40d7f7..6aa2bbe706b 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -56,6 +56,7 @@ jobs:
         shell: bash
         run: |
           conan profile new default --detect
+          conan profile update settings.compiler.cppstd=20 default
           conan profile update settings.compiler.runtime=MT${{ matrix.configuration == 'Debug' && 'd' || '' }} default
       - name: build dependencies
         uses: ./.github/actions/dependencies