diff --git a/libs/gsmlib/Makefile b/libs/gsmlib/Makefile
index 53ae116..7dae960 100644
--- a/libs/gsmlib/Makefile
+++ b/libs/gsmlib/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=gsmlib
 PKG_VERSION:=1.10-20140304
-PKG_RELEASE:=3
+PKG_RELEASE:=4
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=https://github.com/vbouchaud/gsmlib.git
@@ -62,6 +62,8 @@ define Package/gsm-utils/description
 Some simple command line programs to access GSM mobile phones via GSM modems.
 endef
 
+TARGET_CXXFLAGS += -std=c++11
+
 define Build/InstallDev
 	$(INSTALL_DIR) $(1)/usr/include/$(PKG_NAME)
 	$(INSTALL_DATA) \