diff --git a/CMakeLists.txt b/CMakeLists.txt
index eb797920f..7333a5ea0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -345,7 +345,7 @@ set(GNSSSDR_MATIO_MIN_VERSION "1.5.3")
 ################################################################################
 # Versions to download and build (but not installed) if not found
 ################################################################################
-set(GNSSSDR_GFLAGS_LOCAL_VERSION "2.2.1")
+set(GNSSSDR_GFLAGS_LOCAL_VERSION "2.2.2")
 set(GNSSSDR_GLOG_LOCAL_VERSION "0.3.5")
 set(GNSSSDR_ARMADILLO_LOCAL_VERSION "9.200.x")
 set(GNSSSDR_GTEST_LOCAL_VERSION "1.8.1")
diff --git a/README.md b/README.md
index d783c0858..14db5173a 100644
--- a/README.md
+++ b/README.md
@@ -202,9 +202,9 @@ The full stop separated from ```cmake``` by a space is important. [CMake](https:
 #### Install [Gflags](https://github.com/gflags/gflags "Gflags' Homepage"), a commandline flags processing module for C++:
 
 ~~~~~~
-$ wget https://github.com/gflags/gflags/archive/v2.2.1.tar.gz
-$ tar xvfz v2.2.1.tar.gz
-$ cd gflags-2.2.1
+$ wget https://github.com/gflags/gflags/archive/v2.2.2.tar.gz
+$ tar xvfz v2.2.2.tar.gz
+$ cd gflags-2.2.2
 $ cmake -DBUILD_SHARED_LIBS=ON -DBUILD_STATIC_LIBS=OFF -DBUILD_gflags_nothreads_LIB=OFF .
 $ make
 $ sudo make install