diff --git a/.github/workflows/ci-conan.yml b/.github/workflows/ci-conan.yml
index 0687eee..f8bff3b 100644
--- a/.github/workflows/ci-conan.yml
+++ b/.github/workflows/ci-conan.yml
@@ -26,7 +26,7 @@ jobs:
         run: |
           apt-get update
           apt-get install -y pipx doxygen
-          pipx install conan cmake
+          pipx install conan
           echo "$HOME/.local/bin" >> "$GITHUB_PATH"
       - name: Configure Conan
         run: |
diff --git a/conanfile.py b/conanfile.py
index c5a3b74..0c7fd43 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -1,4 +1,5 @@
 import os
+import shutil
 
 from conan import ConanFile
 from conan.tools.cmake import CMake, cmake_layout
@@ -61,7 +62,9 @@ def build(self):
         cmake = CMake(self)
         cmake.configure()
         cmake.build()
-        cmake.build(target="doc")
+        if shutil.which("doxygen"):
+            cmake.build(target="doc")
+
         if self._is_tests_enabled():
             env = VirtualRunEnv(self).environment()
             env.define("CTEST_OUTPUT_ON_FAILURE", "ON")
@@ -72,7 +75,8 @@ def build(self):
     def package(self):
         cmake = CMake(self)
         cmake.install()
-        cmake.build(target="install-doc")
+        if shutil.which("doxygen"):
+            cmake.build(target="install-doc")
 
     def package_info(self):
         self.cpp_info.libs = [ "cosimc" ]