diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 04a23f79..8593fc40 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,7 +33,7 @@ jobs:
         os:
           - ubuntu-22.04
           - macos-10.15
-          - windows-2022
+          - windows-2019
         compiler:
           # you can specify the version after `-` like "llvm-15".
           - llvm-15
@@ -49,7 +49,7 @@ jobs:
 
         exclude:
           # mingw is determined by this author to be too buggy to support
-          - os: windows-2022
+          - os: windows-2019
             compiler: gcc-12
 
         include:
@@ -74,25 +74,25 @@ jobs:
             developer_mode: On
 
           # Windows msvc builds
-          - os: windows-2022
+          - os: windows-2019
             compiler: msvc
             generator: "Visual Studio 17 2022"
             build_type: Debug
             developer_mode: On
 
-          - os: windows-2022
+          - os: windows-2019
             compiler: msvc
             generator: "Visual Studio 17 2022"
             build_type: Release
             developer_mode: On
 
-          - os: windows-2022
+          - os: windows-2019
             compiler: msvc
             generator: "Visual Studio 17 2022"
             build_type: Debug
             developer_mode: Off
 
-          - os: windows-2022
+          - os: windows-2019
             compiler: msvc
             generator: "Visual Studio 17 2022"
             build_type: Release
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5024b804..324628e7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,7 +23,7 @@ set(OPT_WARNINGS_AS_ERRORS_DEVELOPER_DEFAULT TRUE)
 # Add project_options v0.20.0
 # https://github.com/cpp-best-practices/project_options
 include(FetchContent)
-FetchContent_Declare(_project_options URL https://github.com/aminya/project_options/archive/refs/tags/v0.26.3.zip)
+FetchContent_Declare(_project_options URL https://github.com/aminya/project_options/archive/refs/tags/v0.20.0.zip)
 FetchContent_MakeAvailable(_project_options)
 include(${_project_options_SOURCE_DIR}/Index.cmake)
 
diff --git a/conanfile.txt b/conanfile.txt
index a51bed3e..a92cc590 100644
--- a/conanfile.txt
+++ b/conanfile.txt
@@ -3,7 +3,7 @@
 [requires]
 catch2/2.13.9
 cli11/2.2.0
-spdlog/1.11.0
+spdlog/1.10.0
 
 [generators]
 cmake_find_package_multi