diff --git a/.github/workflows/build_wheels.yml b/.github/workflows/build_wheels.yml
index 16115f0a..5c8cd0a2 100644
--- a/.github/workflows/build_wheels.yml
+++ b/.github/workflows/build_wheels.yml
@@ -17,7 +17,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.16.2
+        uses: pypa/cibuildwheel@v2.16.4
         env:
           CIBW_ARCHS_MACOS: x86_64 arm64
       - uses: actions/upload-artifact@v4
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 36e2798d..fd0341b5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Checkout branch
         uses: actions/checkout@v4
       - name: Set up micromamba
-        uses: mamba-org/setup-micromamba@8752438cc2755ab7d0de2a8d70b694f5586baae8
+        uses: mamba-org/setup-micromamba@8767fb704bd78032e9392f0386bf46950bdd1194
       - name: Add micromamba to GITHUB_PATH
         run: echo "${HOME}/micromamba-bin" >> "$GITHUB_PATH"
       - name: Install Python 3.11
@@ -41,7 +41,7 @@ jobs:
       - name: Checkout branch
         uses: actions/checkout@v4
       - name: Set up conda env
-        uses: mamba-org/setup-micromamba@8752438cc2755ab7d0de2a8d70b694f5586baae8
+        uses: mamba-org/setup-micromamba@8767fb704bd78032e9392f0386bf46950bdd1194
         with:
           environment-file: environment.yml
           init-shell: ${{ matrix.os == 'windows-latest' && 'powershell' || 'bash' }}
diff --git a/.github/workflows/conda-build.yml b/.github/workflows/conda-build.yml
index 6f2da138..ef937200 100644
--- a/.github/workflows/conda-build.yml
+++ b/.github/workflows/conda-build.yml
@@ -32,7 +32,7 @@ jobs:
         uses: actions/checkout@v4
       - name: Fetch full git history
         run: git fetch --prune --unshallow
-      - uses: mamba-org/setup-micromamba@8752438cc2755ab7d0de2a8d70b694f5586baae8
+      - uses: mamba-org/setup-micromamba@8767fb704bd78032e9392f0386bf46950bdd1194
         with:
           init-shell: ${{ matrix.os == 'windows-latest' && 'cmd.exe' || 'bash' }}
           environment-name: build
diff --git a/.github/workflows/daily.yml b/.github/workflows/daily.yml
index 610dfca8..4d1b1ba1 100644
--- a/.github/workflows/daily.yml
+++ b/.github/workflows/daily.yml
@@ -24,7 +24,7 @@ jobs:
     steps:
       - name: Checkout branch
         uses: actions/checkout@v4
-      - uses: mamba-org/setup-micromamba@8752438cc2755ab7d0de2a8d70b694f5586baae8
+      - uses: mamba-org/setup-micromamba@8767fb704bd78032e9392f0386bf46950bdd1194
         with:
           environment-file: environment.yml
           create-args: >-
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 0aca0118..ccd5f9fe 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
  - repo: https://github.com/Quantco/pre-commit-mirrors-black
-   rev: 23.11.0
+   rev: 23.12.1
    hooks:
      - id: black-conda
        args:
@@ -23,12 +23,12 @@ repos:
         ]
       exclude: (^src/glum_benchmarks/orig_sklearn_fork/|^docs)
  - repo: https://github.com/Quantco/pre-commit-mirrors-isort
-   rev: 5.12.0
+   rev: 5.13.2
    hooks:
     - id: isort-conda
       additional_dependencies: [toml]
  - repo: https://github.com/Quantco/pre-commit-mirrors-mypy
-   rev: "1.7.1"
+   rev: "1.8.0"
    hooks:
     - id: mypy-conda
       args:
diff --git a/src/glum/_distribution.py b/src/glum/_distribution.py
index 6b52187e..8050e4ab 100644
--- a/src/glum/_distribution.py
+++ b/src/glum/_distribution.py
@@ -1369,7 +1369,7 @@ def guess_intercept(
             second = np.log((mu ** (2 - p)).dot(sample_weight))
         return first - second
     elif isinstance(link, LogitLink):
-        log_odds = np.log(avg_y) - np.log(np.average(1 - y, weights=sample_weight))
+        log_odds = np.log(avg_y) - np.log(1 - avg_y)
         if eta is None:
             return log_odds
         avg_eta = eta if np.isscalar(eta) else np.average(eta, weights=sample_weight)