diff --git a/ports/nanoprintf/portfile.cmake b/ports/nanoprintf/portfile.cmake
index 4b861506c8..03b2056505 100644
--- a/ports/nanoprintf/portfile.cmake
+++ b/ports/nanoprintf/portfile.cmake
@@ -3,7 +3,7 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO charlesnicholson/nanoprintf
     REF "v${VERSION}"
-    SHA512 1148796bcc0fac973ff613b9868426d6948087f7319c88b723f22be659c0f5d5add95b1e256a0d7a84671129a981d1aed9c28dd4aeb44ede5082bd07b0c2b8e7
+    SHA512 08762cc2737304262e3489c2bd88750693a7bec027cdabadf00f96caa68a100d8a0069fa0fc4806cfcdf27b3849c40a3388869eb342442301851a001827971c1
     HEAD_REF master
 )
 
diff --git a/ports/nanoprintf/vcpkg.json b/ports/nanoprintf/vcpkg.json
index 6ba1838c4b..f459f61ec6 100644
--- a/ports/nanoprintf/vcpkg.json
+++ b/ports/nanoprintf/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "nanoprintf",
-  "version": "0.5.5",
+  "version": "0.5.6",
   "description": "A tiny embeddable printf replacement written in C99",
   "homepage": "https://github.com/charlesnicholson/nanoprintf"
 }
diff --git a/versions/baseline.json b/versions/baseline.json
index e1b32be460..336f47b5a1 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -6753,7 +6753,7 @@
       "port-version": 0
     },
     "nanoprintf": {
-      "baseline": "0.5.5",
+      "baseline": "0.5.6",
       "port-version": 0
     },
     "nanorange": {
diff --git a/versions/n-/nanoprintf.json b/versions/n-/nanoprintf.json
index 57009df367..5ed1ff10d2 100644
--- a/versions/n-/nanoprintf.json
+++ b/versions/n-/nanoprintf.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "18730f2888d4ac6c2b59373031d2442dc5fe392f",
+      "version": "0.5.6",
+      "port-version": 0
+    },
     {
       "git-tree": "ec231a1f8a8a3245125884d31874f47f1d7de250",
       "version": "0.5.5",