diff --git a/ports/geogram/CONTROL b/ports/geogram/CONTROL
index 0a17639cc2..19bbb144be 100644
--- a/ports/geogram/CONTROL
+++ b/ports/geogram/CONTROL
@@ -1,6 +1,6 @@
 Source: geogram
 Version: 1.7.5
-Port-Version: 2
+Port-Version: 3
 Homepage: https://gforge.inria.fr/projects/geogram/
 Description: Geogram is a programming library of geometric algorithms.
 Build-Depends: blas, lapack
diff --git a/ports/geogram/fix-windows-dynamic.patch b/ports/geogram/fix-windows-dynamic.patch
new file mode 100644
index 0000000000..8df3b906f1
--- /dev/null
+++ b/ports/geogram/fix-windows-dynamic.patch
@@ -0,0 +1,11 @@
+diff --git a/src/lib/geogram/CMakeLists.txt b/src/lib/geogram/CMakeLists.txt
+index 49cb2ba..82c2f39 100755
+--- a/src/lib/geogram/CMakeLists.txt
++++ b/src/lib/geogram/CMakeLists.txt
+@@ -62,3 +62,6 @@ if(WIN32)
+ endif()
++if(WIN32 AND VORPALINE_BUILD_DYNAMIC)
++    target_compile_definitions(geogram PUBLIC GEO_DYNAMIC_LIBS)
++endif()
+ 
+ # Install the library
diff --git a/ports/geogram/portfile.cmake b/ports/geogram/portfile.cmake
index 36f37694f8..8618b0412b 100644
--- a/ports/geogram/portfile.cmake
+++ b/ports/geogram/portfile.cmake
@@ -13,6 +13,7 @@ vcpkg_extract_source_archive_ex(
     REF ${GEOGRAM_VERSION}
     PATCHES
         fix-cmake-config-and-install.patch
+        fix-windows-dynamic.patch
 )
 
 file(COPY ${CURRENT_PORT_DIR}/Config.cmake.in DESTINATION ${SOURCE_PATH}/cmake)
diff --git a/versions/baseline.json b/versions/baseline.json
index a3f1b4b83e..92d134e9b6 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -2158,7 +2158,7 @@
     },
     "geogram": {
       "baseline": "1.7.5",
-      "port-version": 2
+      "port-version": 3
     },
     "geographiclib": {
       "baseline": "1.51",
diff --git a/versions/g-/geogram.json b/versions/g-/geogram.json
index fb07c2a516..20f81d74dd 100644
--- a/versions/g-/geogram.json
+++ b/versions/g-/geogram.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "178ba7fc99040231738fd282389038df5b032173",
+      "version-string": "1.7.5",
+      "port-version": 3
+    },
     {
       "git-tree": "3661680b65627a46b6570d9017100f3e64d1f742",
       "version-string": "1.7.5",