diff --git a/CMakeLists.txt b/CMakeLists.txt
index 091e6f2b3ec..844de2002e3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -209,7 +209,7 @@ if(_use_onemath)
         FetchContent_Declare(
             onemath_library
                 GIT_REPOSITORY https://github.com/uxlfoundation/oneMath.git
-                GIT_TAG 5c7e1e7a710556e51f70ecc8dd26dfd04e3abf41  # v0.8
+                GIT_TAG 6ff3a43e555dbb20357017d48f0f6c6263259895  # v0.9
         )
     endif()