diff --git a/conanfile.py b/conanfile.py
index 01b90f62..98add025 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -171,6 +171,7 @@ class MPUnitsConan(ConanFile):
 
         # core
         self.cpp_info.components["core"].requires = ["gsl-lite::gsl-lite"]
+        self.cpp_info.components["core"].includedirs = ["include"]
         if compiler == "Visual Studio":
             self.cpp_info.components["core"].cxxflags = ["/utf-8"]
         if self._use_range_v3:
@@ -178,19 +179,60 @@ class MPUnitsConan(ConanFile):
 
         # rest
         self.cpp_info.components["core-io"].requires = ["core"]
+        self.cpp_info.components["core-io"].includedirs = ["include"]
+
         self.cpp_info.components["core-fmt"].requires = ["core"]
+        self.cpp_info.components["core-fmt"].includedirs = ["include"]
         if self._use_libfmt:
             self.cpp_info.components["core-fmt"].requires.append("fmt::fmt")
+
         self.cpp_info.components["isq"].requires = ["core"]
+        self.cpp_info.components["isq"].includedirs = ["include"]
+
         self.cpp_info.components["isq-natural"].requires = ["isq"]
+        self.cpp_info.components["isq-natural"].includedirs = ["include"]
+
         self.cpp_info.components["si"].requires = ["isq"]
+        self.cpp_info.components["si"].includedirs = ["include"]
+
         self.cpp_info.components["si-cgs"].requires = ["si"]
+        self.cpp_info.components["si-cgs"].includedirs = ["include"]
+
         self.cpp_info.components["si-fps"].requires = ["si"]
+        self.cpp_info.components["si-fps"].includedirs = ["include"]
+
         self.cpp_info.components["si-hep"].requires = ["si"]
+        self.cpp_info.components["si-hep"].includedirs = ["include"]
+
         self.cpp_info.components["si-iau"].requires = ["si"]
+        self.cpp_info.components["si-iau"].includedirs = ["include"]
+
         self.cpp_info.components["si-imperial"].requires = ["si"]
+        self.cpp_info.components["si-imperial"].includedirs = ["include"]
+
         self.cpp_info.components["si-international"].requires = ["si"]
+        self.cpp_info.components["si-international"].includedirs = ["include"]
+
         self.cpp_info.components["si-typographic"].requires = ["si"]
+        self.cpp_info.components["si-typographic"].includedirs = ["include"]
+
         self.cpp_info.components["si-uscs"].requires = ["si"]
+        self.cpp_info.components["si-uscs"].includedirs = ["include"]
+
         self.cpp_info.components["isq-iec80000"].requires = ["si"]
-        self.cpp_info.components["systems"].requires = ["isq", "isq-natural", "si", "si-cgs", "si-fps", "si-hep", "si-iau", "si-imperial", "si-international", "si-typographic", "si-uscs", "isq-iec80000"]
+        self.cpp_info.components["isq-iec80000"].includedirs = ["include"]
+
+        self.cpp_info.components["systems"].requires = [
+            "isq",
+            "isq-natural",
+            "si",
+            "si-cgs",
+            "si-fps",
+            "si-hep",
+            "si-iau",
+            "si-imperial",
+            "si-international",
+            "si-typographic",
+            "si-uscs",
+            "isq-iec80000",
+        ]