diff --git a/.gitlab-ci.d/buildtest.yml b/.gitlab-ci.d/buildtest.yml
index f09a898c3e..9a6ba1fe3b 100644
--- a/.gitlab-ci.d/buildtest.yml
+++ b/.gitlab-ci.d/buildtest.yml
@@ -511,6 +511,7 @@ build-oss-fuzz:
     IMAGE: fedora
   script:
     - mkdir build-oss-fuzz
+    - export LSAN_OPTIONS=suppressions=scripts/oss-fuzz/lsan_suppressions.txt
     - CC="clang" CXX="clang++" CFLAGS="-fsanitize=address"
       ./scripts/oss-fuzz/build.sh
     - export ASAN_OPTIONS="fast_unwind_on_malloc=0"
diff --git a/scripts/oss-fuzz/lsan_suppressions.txt b/scripts/oss-fuzz/lsan_suppressions.txt
new file mode 100644
index 0000000000..02ec0a6ed5
--- /dev/null
+++ b/scripts/oss-fuzz/lsan_suppressions.txt
@@ -0,0 +1,2 @@
+# The tcmalloc on Fedora37 confuses things
+leak:/lib64/libtcmalloc_minimal.so.4