diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
index 0a469b7..8782ff3 100644
--- a/.github/workflows/deploy-docs.yml
+++ b/.github/workflows/deploy-docs.yml
@@ -20,7 +20,7 @@ jobs:
         fetch-depth: 0
 
     - name: Setup Micromamba
-      uses: mamba-org/setup-micromamba@59b11321ffd9186cd5165633a02c5bba47de6d13 #v1
+      uses: mamba-org/setup-micromamba@617811f69075e3fd3ae68ca64220ad065877f246 #v1
       with:
         environment-name: TEST
         init-shell: bash
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6237fec..7df8161 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -18,7 +18,7 @@ jobs:
     - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4
 
     - name: Setup Micromamba Python ${{ matrix.python-version }}
-      uses: mamba-org/setup-micromamba@59b11321ffd9186cd5165633a02c5bba47de6d13 #v1
+      uses: mamba-org/setup-micromamba@617811f69075e3fd3ae68ca64220ad065877f246 #v1
       with:
         environment-name: TEST
         init-shell: bash
diff --git a/requirements.txt b/requirements.txt
index 6bad103..fc52dc5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-numpy
+numpy<2
 scipy