diff --git a/build/project.json b/build/project.json
index ce0c1c8..4f1517d 100644
--- a/build/project.json
+++ b/build/project.json
@@ -1,6 +1,6 @@
 {
     "dependencies": {
-        "zlib": "1.2.8.8",
+        "zlib": "1.3.1",
     },
      "frameworks": {
         ".NETFramework,Version=v4.0": { }
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index cc800b3..37fe41f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -3,23 +3,6 @@ set(CMAKE_C_STANDARD 99)
 configure_file(config.h.in config.h)
 include_directories(${CMAKE_CURRENT_BINARY_DIR})
 
-if(NOT MSVC)
-  if(NOT WIN32)
-    find_library(MATH m)
-  else()
-    set(MATH "")
-  endif()
-  include(FindZLIB)
-else()
-  set(MATH "")
-  find_program(NUGET nuget)
-  if(NUGET)
-    execute_process(COMMAND ${NUGET} install zlib)
-  endif()
-  include_directories(
-    ${PROJECT_SOURCE_DIR}/windows/third-party/zlib-1.2.11/include/)
-endif()
-
 if(NOT MSVC)
   if(NOT WIN32)
     find_library(MATH m)
@@ -42,7 +25,7 @@ else()
     execute_process(COMMAND ${NUGET} install zlib)
   endif()
   include_directories(
-    ${PROJECT_SOURCE_DIR}/windows/third-party/zlib-1.2.11/include/)
+    ${PROJECT_SOURCE_DIR}/windows/third-party/zlib-1.3.1/include/)
 endif()
 
 set(libsrc