diff --git a/conanfile.py b/conanfile.py
index a5e6a3bd824a257d88e93b5a7aaf6d0afcacae5f..906ba04e9b3920f3d5d13d6bc568b0dd7c67696b 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -25,7 +25,7 @@ class CaosdbConan(ConanFile):
         ("grpc/1.48.0"),
     ]
     build_requires = [
-        ("boost/1.77.0"),
+        ("boost/1.78.0"),
         ("gtest/1.11.0"),
     ]
     exports = ("*.cmake", "*CMakeLists.txt", "*.in",
@@ -38,6 +38,7 @@ class CaosdbConan(ConanFile):
         if self.settings.os == "Windows":
             del self.options.fPIC
         self.options["boost"].without_python = True
+        self.options["boost"].filesystem_version = "3"
 
     # def source(self):
         # self.run("git clone https://gitlab.indiscale.com/caosdb/src/caosdb-cpplib.git")
diff --git a/requirements.txt b/requirements.txt
index 3b1421baa5f25ea80b1a542553a07a9c4db5261a..d8e16e03704114a053931a52d0a1456f823131ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ bottle==0.12.21
 certifi==2022.6.15
 charset-normalizer==2.1.0
 colorama==0.4.5
-conan==1.51.2
+conan==1.51.3
 distro==1.6.0
 fasteners==0.17.3
 future==0.18.2