diff --git a/ports/dcmtk/emscripten-ofwhere.diff b/ports/dcmtk/emscripten-ofwhere.diff
new file mode 100644
index 0000000000..bc12af94e6
--- /dev/null
+++ b/ports/dcmtk/emscripten-ofwhere.diff
@@ -0,0 +1,16 @@
+--- a/ofstd/libsrc/ofwhere.c
++++ b/ofstd/libsrc/ofwhere.c
+@@ -33,5 +33,5 @@
+
+-#if defined(__linux__) || defined(__CYGWIN__)
++#if defined(__linux__) || defined(__CYGWIN__) || defined(__EMSCRIPTEN__)
+ #undef _DEFAULT_SOURCE
+ #define _DEFAULT_SOURCE
+ #elif defined(__APPLE__)
+@@ -166,5 +166,5 @@
+ }
+
+-#elif defined(__linux__) || defined(__CYGWIN__) || defined(__sun) || defined(WAI_USE_PROC_SELF_EXE)
++#elif defined(__linux__) || defined(__CYGWIN__) || defined(__sun) || defined(WAI_USE_PROC_SELF_EXE) || defined(__EMSCRIPTEN__)
+
+ #include <stdio.h>
diff --git a/ports/dcmtk/portfile.cmake b/ports/dcmtk/portfile.cmake
index 56b3513deb..9391293c07 100644
--- a/ports/dcmtk/portfile.cmake
+++ b/ports/dcmtk/portfile.cmake
@@ -11,7 +11,9 @@ vcpkg_from_github(
         disable-test-setup.diff
         pkgconfig-lib-order.diff
         msvc.diff
+        emscripten-ofwhere.diff
 )
+
 file(REMOVE
     "${SOURCE_PATH}/CMake/FindICONV.cmake"
     "${SOURCE_PATH}/CMake/FindJPEG.cmake"
diff --git a/ports/dcmtk/vcpkg.json b/ports/dcmtk/vcpkg.json
index 3683e5a142..715d068853 100644
--- a/ports/dcmtk/vcpkg.json
+++ b/ports/dcmtk/vcpkg.json
@@ -1,6 +1,7 @@
 {
   "name": "dcmtk",
   "version": "3.7.0",
+  "port-version": 1,
   "description": "This DICOM ToolKit (DCMTK) package consists of source code, documentation and installation instructions for a set of software libraries and applications implementing part of the DICOM/MEDICOM Standard.",
   "homepage": "https://github.com/DCMTK/dcmtk",
   "license": null,
diff --git a/versions/baseline.json b/versions/baseline.json
index 0e8a1bc37c..0a29dad8a8 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -2458,7 +2458,7 @@
     },
     "dcmtk": {
       "baseline": "3.7.0",
-      "port-version": 0
+      "port-version": 1
     },
     "ddtdanilo-lmdb-wrapper": {
       "baseline": "1.0.1",
diff --git a/versions/d-/dcmtk.json b/versions/d-/dcmtk.json
index 6b5d474fd7..d6890541bf 100644
--- a/versions/d-/dcmtk.json
+++ b/versions/d-/dcmtk.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "dd083279adef30a6018c8a82e09009c4bf64e214",
+      "version": "3.7.0",
+      "port-version": 1
+    },
     {
       "git-tree": "288bd880194f8ef326245cace498d59017b5a2ec",
       "version": "3.7.0",