diff --git a/ports/gsl/CONTROL b/ports/gsl/CONTROL
new file mode 100644
index 000000000..35e1772f8
--- /dev/null
+++ b/ports/gsl/CONTROL
@@ -0,0 +1,3 @@
+Source: gsl
+Version: 0-fd5ad87bf
+Description: Guideline Support Library
\ No newline at end of file
diff --git a/ports/gsl/portfile.cmake b/ports/gsl/portfile.cmake
new file mode 100644
index 000000000..5cf05c985
--- /dev/null
+++ b/ports/gsl/portfile.cmake
@@ -0,0 +1,13 @@
+include(vcpkg_common_functions)
+vcpkg_download_distfile(ARCHIVE
+    URL "https://github.com/Microsoft/GSL/archive/fd5ad87bf25cb5e87104ee58106dee9bc809cd93.zip"
+    FILENAME "gsl-fd5ad87bf.zip"
+    MD5 30935befb50eb3742131ad1056d2d498
+)
+vcpkg_extract_source_archive(${ARCHIVE})
+
+file(INSTALL ${CURRENT_BUILDTREES_DIR}/src/gsl-fd5ad87bf25cb5e87104ee58106dee9bc809cd93/gsl DESTINATION ${CURRENT_PACKAGES_DIR}/include FILES_MATCHING PATTERN "*")
+
+# Handle copyright
+file(COPY ${CURRENT_BUILDTREES_DIR}/src/gsl-fd5ad87bf25cb5e87104ee58106dee9bc809cd93/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/gsl)
+file(RENAME ${CURRENT_PACKAGES_DIR}/share/gsl/LICENSE ${CURRENT_PACKAGES_DIR}/share/gsl/copyright)