diff --git a/ports/armadillo/CONTROL b/ports/armadillo/CONTROL
deleted file mode 100644
index d903f6472e..0000000000
--- a/ports/armadillo/CONTROL
+++ /dev/null
@@ -1,5 +0,0 @@
-Source: armadillo
-Version: 10.2.0
-Homepage: http://arma.sourceforge.net
-Description: Armadillo is a high quality linear algebra library (matrix maths) for the C++ language, aiming towards a good balance between speed and ease of use
-Build-Depends: blas, lapack
diff --git a/ports/armadillo/portfile.cmake b/ports/armadillo/portfile.cmake
index bc275cb66a..4f52e9d746 100644
--- a/ports/armadillo/portfile.cmake
+++ b/ports/armadillo/portfile.cmake
@@ -3,8 +3,8 @@ vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
 vcpkg_from_sourceforge(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO arma
-    FILENAME "armadillo-10.2.0.tar.xz"
-    SHA512 c5d6f4bac0acba63fbd7681653d521249fd303ffbbc5b18df71500eb111514c1d09db600a580091d6a23c83748c109c30938bbcd80a3a0b2c25e2fdea932f2cd
+    FILENAME "armadillo-10.4.0.tar.xz"
+    SHA512 72cf8a493e86c51c4c875076d0a9dd7c21fbfbd639064fa7a96daf4a5df02b36c93440bbae471f30d368547c6856c91fef97ce8ed2ec0526b0060588b71cd28a
     PATCHES
         remove_custom_modules.patch
         fix-CMakePath.patch
diff --git a/ports/armadillo/vcpkg.json b/ports/armadillo/vcpkg.json
new file mode 100644
index 0000000000..19daff8097
--- /dev/null
+++ b/ports/armadillo/vcpkg.json
@@ -0,0 +1,10 @@
+{
+  "name": "armadillo",
+  "version": "10.4.0",
+  "description": "Armadillo is a high quality linear algebra library (matrix maths) for the C++ language, aiming towards a good balance between speed and ease of use",
+  "homepage": "http://arma.sourceforge.net",
+  "dependencies": [
+    "blas",
+    "lapack"
+  ]
+}
diff --git a/versions/a-/armadillo.json b/versions/a-/armadillo.json
index 2dfbf6adfe..036696041a 100644
--- a/versions/a-/armadillo.json
+++ b/versions/a-/armadillo.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "3925824cd7eed2d9fcaa092a9a543eb538d9a558",
+      "version": "10.4.0",
+      "port-version": 0
+    },
     {
       "git-tree": "8f9484de18ab042899bdf1fd033f6522ff091225",
       "version-string": "10.2.0",
diff --git a/versions/baseline.json b/versions/baseline.json
index ae6131add4..e96d9fa02a 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -137,7 +137,7 @@
       "port-version": 0
     },
     "armadillo": {
-      "baseline": "10.2.0",
+      "baseline": "10.4.0",
       "port-version": 0
     },
     "arrayfire": {