diff --git a/.circleci/config.yml b/.circleci/config.yml
index 9596386685..c7d8d03230 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -176,7 +176,7 @@ jobs:
           name: Set up environment
           command: |
             conda update -y -q conda
-            conda install -y -q cmake=3.23.1 make swig mkl=2021 mkl-devel=2021 numpy scipy pytest gxx_linux-64 sysroot_linux-64=2.17 -c pkgs/main -c conda-forge
+            conda install -y -q cmake=3.23.1 make swig mkl=2023 mkl-devel=2023 numpy scipy pytest gxx_linux-64 sysroot_linux-64=2.17 -c pkgs/main -c conda-forge
       - run:
           name: Build all targets
           no_output_timeout: 30m
diff --git a/conda/faiss-gpu/meta.yaml b/conda/faiss-gpu/meta.yaml
index 5d6fc2d290..2192d1b311 100644
--- a/conda/faiss-gpu/meta.yaml
+++ b/conda/faiss-gpu/meta.yaml
@@ -40,12 +40,12 @@ outputs:
         - llvm-openmp  # [osx]
         - cmake =3.23.1
         - make  # [not win]
-        - mkl-devel =2021
+        - mkl-devel =2023
       host:
-        - mkl =2021
+        - mkl =2023
         - cudatoolkit {{ cudatoolkit }}
       run:
-        - mkl >=2021
+        - mkl =2023
         - {{ pin_compatible('cudatoolkit', max_pin='x.x') }}
     test:
       requires:
diff --git a/conda/faiss/meta.yaml b/conda/faiss/meta.yaml
index ba32878cad..3c0ac9781d 100644
--- a/conda/faiss/meta.yaml
+++ b/conda/faiss/meta.yaml
@@ -37,15 +37,15 @@ outputs:
       build:
         - {{ compiler('cxx') }}
         - sysroot_linux-64 =2.17 # [linux64]
-        - llvm-openmp  # [osx]
         - cmake =3.23.1
         - make  # [not win]
-        - mkl-devel =2021 # [x86_64]
-        - openblas # [not x86_64]
+        - mkl-devel =2023 # [x86_64]
       host:
-        - mkl =2021 # [x86_64]
+        - mkl =2023 # [x86_64]
+        - openblas # [not x86_64]
       run:
-        - mkl >=2021  # [win]
+        - mkl =2023  # [x86_64]
+        - openblas # [not x86_64]
     test:
       requires:
         - conda-build