diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5e1c7e37d..2b1ccd5b0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -328,7 +328,7 @@ set(GNSSSDR_ARMADILLO_LOCAL_VERSION "10.3.x")
 set(GNSSSDR_GTEST_LOCAL_VERSION "1.10.0")
 set(GNSSSDR_GNSS_SIM_LOCAL_VERSION "master")
 set(GNSSSDR_GPSTK_LOCAL_VERSION "8.0.0")
-set(GNSSSDR_MATIO_LOCAL_VERSION "1.5.19")
+set(GNSSSDR_MATIO_LOCAL_VERSION "1.5.21")
 set(GNSSSDR_PUGIXML_LOCAL_VERSION "1.11.4")
 set(GNSSSDR_PROTOCOLBUFFERS_LOCAL_VERSION "3.15.6")
 set(GNSSSDR_BENCHMARK_LOCAL_VERSION "1.5.2")