diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2bb863c..acf4c0f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ option(snapshot_build_tests "Build all of snapshot's own tests." OFF)
 
 cmake_minimum_required(VERSION 3.14)
 
-project(snapshot VERSION 0.1.4)
+project(snapshot VERSION 0.1.5)
 
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 4f9cb9a..f639318 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -23,6 +23,7 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wextra")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --coverage")
 
 add_executable(