diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 6d89d7b..1714745 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -35,7 +35,7 @@ jobs:
 
       - name: Install poetry
         if: env.PUBLISH == 'true'
-        run: pipx install "poetry==1.8.1"
+        run: pipx install "poetry==1.8.2"
 
       - name: Set up Python ${{ matrix.python-version }}
         if: env.PUBLISH == 'true'
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 7044c0f..61aef74 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install poetry
-        run: pipx install "poetry==1.8.1"
+        run: pipx install "poetry==1.8.2"
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
@@ -62,7 +62,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install poetry
-        run: pipx install "poetry==1.8.1"
+        run: pipx install "poetry==1.8.2"
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
diff --git a/.tool-versions b/.tool-versions
index 776d6d8..c6972dc 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,2 +1,2 @@
-poetry 1.8.1
+poetry 1.8.2
 python 3.12.2 3.11.6 3.10.12 3.9.13 3.8.13 3.7.13
diff --git a/CHANGES b/CHANGES
index fdb14d3..7c1132f 100644
--- a/CHANGES
+++ b/CHANGES
@@ -12,6 +12,12 @@ $ pip install --user --upgrade --pre gp-libs
 
 - _Add your latest changes from PRs here_
 
+### Development
+
+- poetry: 1.8.1 -> 1.8.2
+
+  See also: https://github.com/python-poetry/poetry/blob/1.8.2/CHANGELOG.md
+
 ## gp-libs 0.0.7 (2024-03-24)
 
 ### Breaking changes