diff --git a/.github/workflows/mac_build_test.yml b/.github/workflows/mac_build_test.yml
index 354dc42f1..205b3ad46 100644
--- a/.github/workflows/mac_build_test.yml
+++ b/.github/workflows/mac_build_test.yml
@@ -47,7 +47,7 @@ jobs:
       - name: Initial setup
         shell: bash -l {0}
         run: |
-          brew install eigen hdf5
+          brew install hdf5
 
       - name: Environment Variables
         shell: bash -l {0}
diff --git a/.github/workflows/windows_build_test.yml b/.github/workflows/windows_build_test.yml
index 004664742..eba5c85cc 100644
--- a/.github/workflows/windows_build_test.yml
+++ b/.github/workflows/windows_build_test.yml
@@ -48,7 +48,7 @@ jobs:
       - name: Conda dependencies
         shell:  bash -l {0}
         run: |
-          conda install curl eigen
+          conda install curl
           conda install -c conda-forge hdf5=1.10.6
           conda remove -y yaml-cpp
 
@@ -108,6 +108,7 @@ jobs:
                 -DBUILD_MAKE_WATERTIGHT=ON \
                 -DBUILD_OVERLAP_CHECK=OFF \
                 -DBUILD_TESTS=ON \
+                -DENABLE_BLASLAPACK=OFF \
                 -DMOAB_DIR=../install_dir \
                 -DHDF5_ROOT="${CONDA_LOC}" \
                 -DHDF5_hdf5_LIBRARY_RELEASE="${CONDA_LOC}/lib/libhdf5_hl.lib;${CONDA_LOC}/lib/libhdf5.lib;${CONDA_LOC}/lib/zlib.lib;${CONDA_LOC}/lib/libhdf5_cpp.lib" \
diff --git a/CI/Dockerfile b/CI/Dockerfile
index 936072b14..251234860 100644
--- a/CI/Dockerfile
+++ b/CI/Dockerfile
@@ -36,7 +36,6 @@ RUN apt-get -y update; \
                        gfortran \
                        libhdf5-dev \
                        libtool \
-                       libeigen3-dev\
                        python3-numpy \
                        python3 \
                        python3-pip \
@@ -169,7 +168,7 @@ ENV moab_install_dir=${install_dir}/moab
 
 RUN mkdir -p ${moab_build_dir}/build && \
     cd ${moab_build_dir} && \
-    git clone -b ${MOAB_BRANCH} --depth 1 https://bitbucket.org/fathomteam/moab && \
+    git clone -b disable-blaslapack https://ahnaf-tahmid@bitbucket.org/ahnaf-tahmid-chowdhury/moab.git && \
     cd build && \
     cmake ../moab -DCMAKE_INSTALL_RPATH=${hdf5_install_dir}/lib:${moab_install_dir}/lib \
                   -DCMAKE_BUILD_TYPE=Release \
@@ -180,6 +179,7 @@ RUN mkdir -p ${moab_build_dir}/build && \
                   -DENABLE_BLASLAPACK=OFF \
                   -DBUILD_SHARED_LIBS=ON \
                   -DENABLE_FORTRAN=OFF \
+                  -DENABLE_BLASLAPACK=OFF \
                   -DENABLE_PYMOAB=ON && \
     make -j${ci_jobs} && \
     make install && \
diff --git a/doc/CHANGELOG.rst b/doc/CHANGELOG.rst
index 02e51f13d..345a19a0e 100644
--- a/doc/CHANGELOG.rst
+++ b/doc/CHANGELOG.rst
@@ -13,6 +13,10 @@ Next version
   * Ensure implicit complement handle is placed at the back of DAGMC volume indices (#935)
   * Update MOAB to 5.5.1 from 5.3.0 (#939 #940)
 
+**Removed:**
+
+  * Remove Eigen3 dependency from DAGMC (#941)
+
 v3.2.3
 ====================