diff --git a/conanfile.py b/conanfile.py
index 5fa05568..66374298 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -126,7 +126,7 @@ def requirements(self):
         self._export_local_recipes()
 
         # Used by all modules via cupoch_utility
-        self.requires("eigen/3.4.90-20240221@cupoch", transitive_headers=True)
+        self.requires("eigen/3.4.90-20230718@cupoch", transitive_headers=True)
         self.requires("spdlog/1.13.0", transitive_headers=True, force=True)
         self.requires("thrust/2.2.0@cupoch", transitive_headers=True, force=True)
         self.requires("libcudacxx/2.2.0@cupoch", override=True)
diff --git a/third_party/conan-recipes/eigen/conandata.yml b/third_party/conan-recipes/eigen/conandata.yml
index 68695a2f..c5985e23 100644
--- a/third_party/conan-recipes/eigen/conandata.yml
+++ b/third_party/conan-recipes/eigen/conandata.yml
@@ -2,3 +2,6 @@ sources:
   "3.4.90-20240221":
     url: "https://gitlab.com/libeigen/eigen/-/archive/3859e8d5b23b65102aa9e0d0819cc6bf7cf7b469/eigen-3859e8d5b23b65102aa9e0d0819cc6bf7cf7b469.tar.bz2"
     sha256: "4583b28e93cfae1871080b9f5b0e9faf68e00d399c844aaa1ad9bb3cd04be9b0"
+  "3.4.90-20230718":
+    url: "https://gitlab.com/libeigen/eigen/-/archive/6e7abeae69eafe8d36043ece26a8796ca168fd21/eigen-6e7abeae69eafe8d36043ece26a8796ca168fd21.tar.bz2"
+    sha256: "b0471aa7fb6a24021af9e1edd0f86c77eb3af4a5d42cdee2ecf45481f182b634"
diff --git a/third_party/conan-recipes/eigen/conanfile.py b/third_party/conan-recipes/eigen/conanfile.py
index 9d150788..2e9a6350 100644
--- a/third_party/conan-recipes/eigen/conanfile.py
+++ b/third_party/conan-recipes/eigen/conanfile.py
@@ -8,7 +8,7 @@
 
 class EigenConan(ConanFile):
     name = "eigen"
-    version = "3.4.90-20240221"
+    version = "3.4.90-20230718"
     url = "https://github.com/conan-io/conan-center-index"
     homepage = "http://eigen.tuxfamily.org"
     description = "Eigen is a C++ template library for linear algebra: matrices, vectors," \