diff --git a/.github/workflows/build-instructions.yml b/.github/workflows/build-instructions.yml
index 9b71b3be4..80ed8ac5e 100644
--- a/.github/workflows/build-instructions.yml
+++ b/.github/workflows/build-instructions.yml
@@ -51,7 +51,7 @@ jobs:
             shell: cmd
           - os: ubuntu-22.04
             shell: bash
-          - os: macos-12
+          - os: macos-13
             shell: bash
     defaults:
       run:
@@ -87,7 +87,7 @@ jobs:
         config:
           - os: windows-2022
           - os: ubuntu-22.04
-          - os: macos-12
+          - os: macos-13
     defaults:
       run:
         shell: bash
diff --git a/.github/workflows/build-wheels.yml b/.github/workflows/build-wheels.yml
index 7b10028d2..4a9ac8aea 100644
--- a/.github/workflows/build-wheels.yml
+++ b/.github/workflows/build-wheels.yml
@@ -26,7 +26,7 @@ jobs:
         config:
           - os: ubuntu-22.04
             shell: bash
-          - os: macos-12
+          - os: macos-13
             shell: bash
           - os: windows-2022
             preamble: call "C:\\Program Files\\Microsoft Visual Studio\\2022\\Enterprise\\VC\\Auxiliary\\Build\\vcvarsall.bat" x64
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e04934f04..2752c00d7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -32,7 +32,7 @@ jobs:
           shell: cmd
         - os: ubuntu-22.04
           shell: bash
-        - os: macos-12
+        - os: macos-13
           shell: bash
     defaults:
       run:
diff --git a/.github/workflows/integrations.yml b/.github/workflows/integrations.yml
index 3958fc3a9..962854ebf 100644
--- a/.github/workflows/integrations.yml
+++ b/.github/workflows/integrations.yml
@@ -30,7 +30,7 @@ jobs:
           shell: cmd
         - os: ubuntu-22.04
           shell: bash
-        - os: macos-12
+        - os: macos-13
           shell: bash
     defaults:
       run:
@@ -114,7 +114,7 @@ jobs:
           site-packages: Lib/site-packages
         - os: ubuntu-22.04
           site-packages: lib/python3.11/site-packages
-        - os: macos-12
+        - os: macos-13
           site-packages: lib/python3.11/site-packages
     defaults:
       run:
@@ -212,7 +212,7 @@ jobs:
           - os: ubuntu-22.04
             site-packages: lib/python3.11/site-packages
             shell: bash
-          - os: macos-12
+          - os: macos-13
             site-packages: lib/python3.11/site-packages
             shell: bash
     defaults:
diff --git a/.github/workflows/populate-cache.yml b/.github/workflows/populate-cache.yml
index d5831facb..696e487e0 100644
--- a/.github/workflows/populate-cache.yml
+++ b/.github/workflows/populate-cache.yml
@@ -23,7 +23,7 @@ jobs:
         # config.os vs os to match requirements of bootstrap_platform
         config:
           - os: ubuntu-22.04
-          - os: macos-12
+          - os: macos-13
           - os: windows-2022
 
     steps:
diff --git a/.github/workflows/upload-release-builds.yml b/.github/workflows/upload-release-builds.yml
index 771657026..c870118bf 100644
--- a/.github/workflows/upload-release-builds.yml
+++ b/.github/workflows/upload-release-builds.yml
@@ -41,13 +41,13 @@ jobs:
         - os: ubuntu-22.04
           shell: bash
           build-type: Release
-        - os: macos-12
+        - os: macos-13
           shell: bash
           build-type: Debug
-        - os: macos-12
+        - os: macos-13
           shell: bash
           build-type: RelWithDebInfo
-        - os: macos-12
+        - os: macos-13
           shell: bash
           build-type: Release
     defaults:
diff --git a/resources/build/bootstrap-macos-12.sh b/resources/build/bootstrap-macos-13.sh
similarity index 100%
rename from resources/build/bootstrap-macos-12.sh
rename to resources/build/bootstrap-macos-13.sh
diff --git a/resources/build/requirements.txt b/resources/build/requirements.txt
index 32ad34d4d..abbf6c152 100644
--- a/resources/build/requirements.txt
+++ b/resources/build/requirements.txt
@@ -1,4 +1,4 @@
-conan==1.59.0
+conan==1.66.0
 cmake==3.28.3
 ninja==1.10.2.3
 pip>=21.3