diff --git a/.mason b/.mason
index 95ab9caff..508d7add9 160000
--- a/.mason
+++ b/.mason
@@ -1 +1 @@
-Subproject commit 95ab9caff80d6327a13ed48f97c72ae4da4454bd
+Subproject commit 508d7add9bde4afc9c085ebe1c8395a6c867bf5c
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f8c882b7a..c67b2c470 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -27,7 +27,7 @@ mason_use(geojsonvt VERSION 6.1.3 HEADER_ONLY)
 mason_use(supercluster VERSION 0.2.0 HEADER_ONLY)
 mason_use(kdbush VERSION 0.1.1 HEADER_ONLY)
 mason_use(earcut VERSION 0.11 HEADER_ONLY)
-mason_use(protozero VERSION 1.4.0 HEADER_ONLY)
+mason_use(protozero VERSION 1.4.2 HEADER_ONLY)
 mason_use(pixelmatch VERSION 0.9.0 HEADER_ONLY)
 mason_use(geojson VERSION 0.1.4${MASON_CXXABI_SUFFIX})