diff --git a/ports/spectra/CONTROL b/ports/spectra/CONTROL
new file mode 100644
index 000000000..a53636ce7
--- /dev/null
+++ b/ports/spectra/CONTROL
@@ -0,0 +1,4 @@
+Source: spectra
+Version: 0.7.0
+Description: A header-only C++ library for large scale eigenvalue problems https://spectralib.org
+Build-Depends: eigen3
diff --git a/ports/spectra/portfile.cmake b/ports/spectra/portfile.cmake
new file mode 100644
index 000000000..66765259a
--- /dev/null
+++ b/ports/spectra/portfile.cmake
@@ -0,0 +1,12 @@
+include(vcpkg_common_functions)
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO yixuan/spectra
+    REF v0.7.0
+    SHA512 2a1cd9eed6cebabb551cc2f662d38d75c6b24edc8f19ee4feb122958653ecb4533b936447d36712225b48a4f1aa6590b17ca5076d78d506a515e8701752bf32d
+    HEAD_REF master
+)
+
+file(INSTALL ${SOURCE_PATH}/include DESTINATION ${CURRENT_PACKAGES_DIR})
+file(INSTALL ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/spectra RENAME copyright)