diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3ede420b..879884bf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -99,12 +99,11 @@ if(NOT USE_SYSTEM_EIGEN)
     fetchcontent_declare(
         Eigen3
         GIT_REPOSITORY https://gitlab.com/libeigen/eigen.git
-        # master on 2024-02-29
-        GIT_TAG 23f6c26857100b16f4851043d0c230fb5e27027b
+        # master on 2024-03-06
+        GIT_TAG 17f3bf8985021c242eedc9fa26c5c66d43a300f2
         PATCH_COMMAND
             git apply
             ${CMAKE_CURRENT_SOURCE_DIR}/cmake/eigen-disable-fortran-support.patch
-            ${CMAKE_CURRENT_SOURCE_DIR}/cmake/0001-Fix-deprecated-anonymous-enum-enum-conversion-warnin.patch
         UPDATE_DISCONNECTED 1
     )
     fetchcontent_makeavailable(Eigen3)
diff --git a/cmake/0001-Fix-deprecated-anonymous-enum-enum-conversion-warnin.patch b/cmake/0001-Fix-deprecated-anonymous-enum-enum-conversion-warnin.patch
deleted file mode 100644
index 7ed99be4..00000000
--- a/cmake/0001-Fix-deprecated-anonymous-enum-enum-conversion-warnin.patch
+++ /dev/null
@@ -1,77 +0,0 @@
-From f5339946c7bb6fd2854d915907a7343302ea1c0d Mon Sep 17 00:00:00 2001
-From: Tyler Veness <calcmogul@gmail.com>
-Date: Fri, 1 Mar 2024 15:37:44 -0800
-Subject: [PATCH] Fix deprecated anonymous enum-enum conversion warnings
-
----
- Eigen/src/Core/Matrix.h                      | 4 ++--
- Eigen/src/Core/TriangularMatrix.h            | 3 ++-
- Eigen/src/Core/util/XprHelper.h              | 2 +-
- Eigen/src/SparseCore/SparseSelfAdjointView.h | 2 +-
- 4 files changed, 6 insertions(+), 5 deletions(-)
-
-diff --git a/Eigen/src/Core/Matrix.h b/Eigen/src/Core/Matrix.h
-index ce0e4e6a2..c11a994a8 100644
---- a/Eigen/src/Core/Matrix.h
-+++ b/Eigen/src/Core/Matrix.h
-@@ -30,7 +30,7 @@ struct traits<Matrix<Scalar_, Rows_, Cols_, Options_, MaxRows_, MaxCols_>> {
-     actual_alignment = ((Options_ & DontAlign) == 0) ? default_alignment : 0,
-     required_alignment = unpacket_traits<PacketScalar>::alignment,
-     packet_access_bit = (packet_traits<Scalar_>::Vectorizable &&
--                         (EIGEN_UNALIGNED_VECTORIZE || (actual_alignment >= required_alignment)))
-+                         (EIGEN_UNALIGNED_VECTORIZE || (int(actual_alignment) >= int(required_alignment))))
-                             ? PacketAccessBit
-                             : 0
-   };
-@@ -48,7 +48,7 @@ struct traits<Matrix<Scalar_, Rows_, Cols_, Options_, MaxRows_, MaxCols_>> {
-     Flags = compute_matrix_flags(Options_),
-     Options = Options_,
-     InnerStrideAtCompileTime = 1,
--    OuterStrideAtCompileTime = (Options & RowMajor) ? ColsAtCompileTime : RowsAtCompileTime,
-+    OuterStrideAtCompileTime = (int(Options) & int(RowMajor)) ? ColsAtCompileTime : RowsAtCompileTime,
- 
-     // FIXME, the following flag in only used to define NeedsToAlign in PlainObjectBase
-     EvaluatorFlags = LinearAccessBit | DirectAccessBit | packet_access_bit | row_major_bit,
-diff --git a/Eigen/src/Core/TriangularMatrix.h b/Eigen/src/Core/TriangularMatrix.h
-index afdb2425f..2b1683be9 100644
---- a/Eigen/src/Core/TriangularMatrix.h
-+++ b/Eigen/src/Core/TriangularMatrix.h
-@@ -184,7 +184,8 @@ class TriangularView
-   enum {
-     Mode = Mode_,
-     Flags = internal::traits<TriangularView>::Flags,
--    TransposeMode = (Mode & Upper ? Lower : 0) | (Mode & Lower ? Upper : 0) | (Mode & (UnitDiag)) | (Mode & (ZeroDiag)),
-+    TransposeMode = (int(Mode) & int(Upper) ? Lower : 0) | (int(Mode) & int(Lower) ? Upper : 0) |
-+                    (int(Mode) & int(UnitDiag)) | (int(Mode) & int(ZeroDiag)),
-     IsVectorAtCompileTime = false
-   };
- 
-diff --git a/Eigen/src/Core/util/XprHelper.h b/Eigen/src/Core/util/XprHelper.h
-index 5b7bdc077..555faa1cc 100644
---- a/Eigen/src/Core/util/XprHelper.h
-+++ b/Eigen/src/Core/util/XprHelper.h
-@@ -484,7 +484,7 @@ struct nested_eval {
-                                       //      solution could be to count the number of temps?
-     NAsInteger = n == Dynamic ? HugeCost : n,
-     CostEval = (NAsInteger + 1) * ScalarReadCost + CoeffReadCost,
--    CostNoEval = NAsInteger * CoeffReadCost,
-+    CostNoEval = int(NAsInteger) * int(CoeffReadCost),
-     Evaluate = (int(evaluator<T>::Flags) & EvalBeforeNestingBit) || (int(CostEval) < int(CostNoEval))
-   };
- 
-diff --git a/Eigen/src/SparseCore/SparseSelfAdjointView.h b/Eigen/src/SparseCore/SparseSelfAdjointView.h
-index 129899c45..2f087c9c4 100644
---- a/Eigen/src/SparseCore/SparseSelfAdjointView.h
-+++ b/Eigen/src/SparseCore/SparseSelfAdjointView.h
-@@ -53,7 +53,7 @@ class SparseSelfAdjointView : public EigenBase<SparseSelfAdjointView<MatrixType,
-  public:
-   enum {
-     Mode = Mode_,
--    TransposeMode = ((Mode & Upper) ? Lower : 0) | ((Mode & Lower) ? Upper : 0),
-+    TransposeMode = ((int(Mode) & int(Upper)) ? Lower : 0) | ((int(Mode) & int(Lower)) ? Upper : 0),
-     RowsAtCompileTime = internal::traits<SparseSelfAdjointView>::RowsAtCompileTime,
-     ColsAtCompileTime = internal::traits<SparseSelfAdjointView>::ColsAtCompileTime
-   };
--- 
-2.44.0
-