diff --git a/ports/tinyfiledialogs/portfile.cmake b/ports/tinyfiledialogs/portfile.cmake
index 4a4c9a94fe..a783393a64 100644
--- a/ports/tinyfiledialogs/portfile.cmake
+++ b/ports/tinyfiledialogs/portfile.cmake
@@ -6,17 +6,17 @@ endif()
 # tinyfiledialogs-current.zip: changing SHA512
 # last resort: explicit source files
 # Reviewers may compare git and zip sources at the time of the port update.
-set(ref b071fb40ad9b321408d480a6d1433bf21be01578)
+set(ref fe637654492cb8257cb68a8025dfc09ce3e0f490)
 string(SUBSTRING "${ref}" 0 7 short_ref)
 vcpkg_download_distfile(tinyfiledialogs_c_file
     URLS "https://sourceforge.net/p/tinyfiledialogs/code/ci/${ref}/tree/tinyfiledialogs.c?format=raw"
     FILENAME "tinyfiledialogs-${short_ref}.c"
-    SHA512 cc8dd57d47ed9b449d91a66dad421140ef2aa8da00c622c0de3c13c9587ff1b7165343b61e40a2240eef7d15dc27fe28bd4595c89b52e3775060229a7c8a5926
+    SHA512 8cd199ddb3320a8096f9d5ad4bdab45e982a189fe94e96a978ed88ef7c4ead5c69863565088b0ff1c446fca93bcbde95e206d1b4cd3f5f7fd84ffcf2011fc9d1
 )
 vcpkg_download_distfile(tinyfiledialogs_h_file
     URLS "https://sourceforge.net/p/tinyfiledialogs/code/ci/${ref}/tree/tinyfiledialogs.h?format=raw"
     FILENAME "tinyfiledialogs-${short_ref}.h"
-    SHA512 7b95aa5e32065aee9d16a7cafe644ed93bc9e4cd139882f0298572da1418305ce30d0770e1a6f2b441fb7d9bcb710d57b54ca3c2eb67c9fd5f04c0fdbece31bf
+    SHA512 8deaf823a5f6e9ec85e958f15a0e6d29957ed48748624bb52abce32ba55c26dbf186b09a6c0048439f27f5bae390fd2fee03757756a1ea172dbb28735293bb8f
 )
 
 file(READ "${tinyfiledialogs_c_file}" c_source)
diff --git a/ports/tinyfiledialogs/vcpkg.json b/ports/tinyfiledialogs/vcpkg.json
index 944e45dadc..215ffc7f6c 100644
--- a/ports/tinyfiledialogs/vcpkg.json
+++ b/ports/tinyfiledialogs/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "tinyfiledialogs",
-  "version": "3.19.1",
+  "version": "3.21.3",
   "description": "Highly portable and cross-platform dialogs for native inputbox, passwordbox, colorpicker and more",
   "homepage": "https://sourceforge.net/projects/tinyfiledialogs/",
   "supports": "!uwp",
diff --git a/versions/baseline.json b/versions/baseline.json
index 76b334f5ef..f67c5ad500 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -10025,7 +10025,7 @@
       "port-version": 0
     },
     "tinyfiledialogs": {
-      "baseline": "3.19.1",
+      "baseline": "3.21.3",
       "port-version": 0
     },
     "tinyformat": {
diff --git a/versions/t-/tinyfiledialogs.json b/versions/t-/tinyfiledialogs.json
index bf9f553d3c..4d8d0ab11f 100644
--- a/versions/t-/tinyfiledialogs.json
+++ b/versions/t-/tinyfiledialogs.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "74b827e3795b7a45db28fac6ee79c70449774b30",
+      "version": "3.21.3",
+      "port-version": 0
+    },
     {
       "git-tree": "5feca6edf564fe0018f86925bcb0c32263dfdb48",
       "version": "3.19.1",