diff --git a/CMakeLists.txt b/CMakeLists.txt
index df28a6ecb..37b885ddf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -330,7 +330,7 @@ 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_PUGIXML_LOCAL_VERSION "1.11.4")
-set(GNSSSDR_PROTOCOLBUFFERS_LOCAL_VERSION "3.14.0")
+set(GNSSSDR_PROTOCOLBUFFERS_LOCAL_VERSION "3.15.0")
 set(GNSSSDR_BENCHMARK_LOCAL_VERSION "1.5.2")
 set(GNSSSDR_MATHJAX_EXTERNAL_VERSION "2.7.7")