diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4fb7c7dc..3c411845 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -375,28 +375,34 @@ if (USE_OCC)
       TKGeomAlgo
       TKGeomBase
       TKHLR
-      TKIGES
       TKLCAF
       TKMath
       TKMesh
       TKOffset
       TKPrim
-      TKSTEP
-      TKSTEP209
-      TKSTEPAttr
-      TKSTEPBase
-      TKSTL
       TKService
       TKShHealing
       TKTopAlgo
       TKV3d
       TKVCAF
       TKXCAF
-      TKXDEIGES
-      TKXDESTEP
       TKXSBase
       TKernel
     )
+    if(${OpenCASCADE_MAJOR_VERSION}.${OpenCASCADE_MINOR_VERSION} VERSION_GREATER_EQUAL 7.8)
+      list(APPEND OCC_LIBRARIES TKDEIGES TKDESTEP TKDESTL)
+    else()
+      list(APPEND OCC_LIBRARIES
+        TKIGES
+        TKSTEP
+        TKSTL
+        TKXDEIGES
+        TKXDESTEP
+        TKSTEP209
+        TKSTEPAttr
+        TKSTEPBase
+        )
+    endif()
     if(UNIX AND NOT APPLE)
       list(PREPEND OCC_LIBRARIES -Wl,--start-group)
       list(APPEND OCC_LIBRARIES -Wl,--end-group)
diff --git a/cmake/SuperBuild.cmake b/cmake/SuperBuild.cmake
index 58406f0b..70964022 100644
--- a/cmake/SuperBuild.cmake
+++ b/cmake/SuperBuild.cmake
@@ -89,8 +89,10 @@ if(BUILD_OCC)
   set(OCC_DIR ${CMAKE_CURRENT_BINARY_DIR}/dependencies/occ)
 
   ExternalProject_Add(project_occ
-    URL https://github.com/Open-Cascade-SAS/OCCT/archive/refs/tags/V7_6_3.zip
-    URL_MD5 2426e373903faabbd4f96a01a934b66d
+    # URL https://github.com/Open-Cascade-SAS/OCCT/archive/refs/tags/V7_6_3.zip
+    # URL_MD5 2426e373903faabbd4f96a01a934b66d
+    URL https://github.com/Open-Cascade-SAS/OCCT/archive/refs/tags/V7_8_0.zip
+    URL_MD5 19d025bf6b4f6ba1b334d189529573cb
     DOWNLOAD_DIR ${CMAKE_CURRENT_SOURCE_DIR}/external_dependencies
     ${SUBPROJECT_ARGS}
     CMAKE_ARGS
diff --git a/libsrc/occ/Partition_Loop3d.hxx b/libsrc/occ/Partition_Loop3d.hxx
index e1716691..138b07e1 100644
--- a/libsrc/occ/Partition_Loop3d.hxx
+++ b/libsrc/occ/Partition_Loop3d.hxx
@@ -29,7 +29,6 @@
 #if OCC_VERSION_HEX < 0x070000
 #else
    #include <TopTools_ShapeMapHasher.hxx>
-   #include <TopTools_OrientedShapeMapHasher.hxx>
    #include <TopTools_MapOfOrientedShape.hxx>
 #endif