diff --git a/projects/apis/vulkan/loader/vulkan_device_loader.c b/projects/apis/vulkan/loader/vulkan_device_loader.c
index 9b993aa..6081ad0 100644
--- a/projects/apis/vulkan/loader/vulkan_device_loader.c
+++ b/projects/apis/vulkan/loader/vulkan_device_loader.c
@@ -38,6 +38,7 @@ gnDeviceFunctions loadVulkanDeviceFunctions(void) {
         ._gnBufferData = vulkanBufferData,
         ._gnBufferSubData = vulkanBufferSubData,
         ._gnMapBuffer = vulkanMapBuffer,
+        ._gnUnmapBuffer = vulkanUnmapBuffer,
         ._gnDestroyBuffer = destroyBuffer,
 
         ._gnCreateUniformPool = createUniformPool,
diff --git a/projects/core/src/buffers/gryphn_buffer.c b/projects/core/src/buffers/gryphn_buffer.c
index 7649c8f..de450d7 100644
--- a/projects/core/src/buffers/gryphn_buffer.c
+++ b/projects/core/src/buffers/gryphn_buffer.c
@@ -21,6 +21,9 @@ void* gnMapBuffer(gnBufferHandle buffer) {
     if (buffer->info.usage == GN_STATIC_DRAW) return NULL;
     return buffer->device->instance->callingLayer->deviceFunctions._gnMapBuffer(buffer);
 }
+void gnUnmapBuffer(gnBufferHandle buffer) {
+    buffer->device->instance->callingLayer->deviceFunctions._gnUnmapBuffer(buffer);
+}
 void gnDestroyBuffer(gnBufferHandle buffer) {
     buffer->device->instance->callingLayer->deviceFunctions._gnDestroyBuffer(buffer);
 }
diff --git a/projects/core/src/buffers/gryphn_buffer.h b/projects/core/src/buffers/gryphn_buffer.h
index 6494144..bbadb9d 100644
--- a/projects/core/src/buffers/gryphn_buffer.h
+++ b/projects/core/src/buffers/gryphn_buffer.h
@@ -44,4 +44,5 @@ gnReturnCode gnCreateBuffer(gnBufferHandle* buffer, gnOutputDeviceHandle device,
 void gnBufferData(gnBufferHandle buffer, size_t dataSize, gnBufferMemory data);
 void gnBufferSubData(gnBufferHandle buffer, size_t offset, size_t dataSize, gnBufferMemory data);
 gnBufferMemory gnMapBuffer(gnBufferHandle buffer);
+void gnUnmapBuffer(gnBufferHandle buffer);
 void gnDestroyBuffer(gnBufferHandle buffer);
diff --git a/projects/loader/src/gryphn_device_functions.h b/projects/loader/src/gryphn_device_functions.h
index 955a9ba..9bdf977 100644
--- a/projects/loader/src/gryphn_device_functions.h
+++ b/projects/loader/src/gryphn_device_functions.h
@@ -42,6 +42,7 @@ typedef struct gnDeviceFunctions {
     void (*_gnBufferData)(gnBufferHandle buffer, size_t size, void* data);
     void (*_gnBufferSubData)(gnBufferHandle buffer, size_t offset, size_t dataSize, void* data);
     void* (*_gnMapBuffer)(gnBufferHandle buffer);
+    void (*_gnUnmapBuffer)(gnBufferHandle buffer);
     void (*_gnDestroyBuffer)(gnBufferHandle buffer);
 
     gnReturnCode (*_gnCreateUniformPool)(gnUniformPool pool, gnDeviceHandle device);
diff --git a/projects/validation_layers/function_loader/loader/function_loader.c b/projects/validation_layers/function_loader/loader/function_loader.c
index 39d35aa..229f50f 100644
--- a/projects/validation_layers/function_loader/loader/function_loader.c
+++ b/projects/validation_layers/function_loader/loader/function_loader.c
@@ -68,6 +68,7 @@ gnDeviceFunctions loadFunctionLoaderDeviceFunctions(void) {
         ._gnBufferData = checkBufferData,
         ._gnBufferSubData = checkBufferSubData,
         ._gnMapBuffer = checkMapBuffer,
+        ._gnUnmapBuffer = checkUnmapBuffer,
         ._gnDestroyBuffer = checkDestroyBuffer,
 
         ._gnCreateUniformPool = checkCreateUniformPool,
diff --git a/projects/validation_layers/function_loader/src/device_functions.c b/projects/validation_layers/function_loader/src/device_functions.c
index c13b54b..b943744 100644
--- a/projects/validation_layers/function_loader/src/device_functions.c
+++ b/projects/validation_layers/function_loader/src/device_functions.c
@@ -70,6 +70,9 @@ void checkBufferSubData(gnBufferHandle buffer, size_t offset, size_t size, void*
 void* checkMapBuffer(gnBufferHandle buffer) {
     CHECK_RETURNED_FUNCTION(buffer->device->instance, _gnMapBuffer, deviceFunctions, NULL, buffer);
 }
+void checkUnmapBuffer(gnBufferHandle buffer) {
+    CHECK_VOID_FUNCTION(buffer->device->instance, _gnUnmapBuffer, deviceFunctions, buffer);
+}
 void checkDestroyBuffer(gnBufferHandle buffer) {
     CHECK_VOID_FUNCTION(buffer->device->instance, _gnDestroyBuffer, deviceFunctions, buffer);
 }
diff --git a/projects/validation_layers/function_loader/src/device_functions.h b/projects/validation_layers/function_loader/src/device_functions.h
index b5d5d2a..e420182 100644
--- a/projects/validation_layers/function_loader/src/device_functions.h
+++ b/projects/validation_layers/function_loader/src/device_functions.h
@@ -23,6 +23,7 @@ gnReturnCode checkCreateBuffer(gnBufferHandle buffer, gnDeviceHandle device, gnB
 void checkBufferData(gnBufferHandle buffer, size_t size, void* data);
 void checkBufferSubData(gnBufferHandle buffer, size_t offset, size_t size, void* data);
 void* checkMapBuffer(gnBufferHandle buffer);
+void checkUnmapBuffer(gnBufferHandle buffer);
 void checkDestroyBuffer(gnBufferHandle buffer);
 
 gnReturnCode checkCreateUniformPool(gnUniformPool pool, gnDeviceHandle device);