diff --git a/CMakeLists.txt b/CMakeLists.txt
index 31ac125d..d1e33017 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -538,7 +538,9 @@ if(USE_BUNDLED_OLM)
     FetchContent_Declare(
         Olm
         GIT_REPOSITORY https://gitlab.matrix.org/matrix-org/olm.git
-        GIT_TAG        3.2.12
+        GIT_TAG        3.2.16
+        PATCH_COMMAND  git apply ${CMAKE_CURRENT_SOURCE_DIR}/third_party/olm-patches/0001-fix-list-const-ptr.patch
+        UPDATE_DISCONNECTED 1
     )
     set(OLM_TESTS OFF CACHE INTERNAL "")
     FetchContent_MakeAvailable(Olm)
diff --git a/third_party/olm-patches/0001-fix-list-const-ptr.patch b/third_party/olm-patches/0001-fix-list-const-ptr.patch
new file mode 100644
index 00000000..716b3723
--- /dev/null
+++ b/third_party/olm-patches/0001-fix-list-const-ptr.patch
@@ -0,0 +1,13 @@
+diff --git a/include/olm/list.hh b/include/olm/list.hh
+index 6906c87..e8f3b7c 100644
+--- a/include/olm/list.hh
++++ b/include/olm/list.hh
+@@ -99,7 +99,7 @@ public:
+             return *this;
+         }
+         T * this_pos = _data;
+-        T * const other_pos = other._data;
++        T const * other_pos = other._data;
+         while (other_pos != other._end) {
+             *this_pos = *other;
+             ++this_pos;