diff --git a/.github/workflows/_compile_integration_test.yml b/.github/workflows/_compile_integration_test.yml
index ea4d4625930..1ea1453c3ef 100644
--- a/.github/workflows/_compile_integration_test.yml
+++ b/.github/workflows/_compile_integration_test.yml
@@ -13,7 +13,7 @@ on:
         description: "Python version to use"
 
 env:
-  POETRY_VERSION: "1.8.4"
+  POETRY_VERSION: "2.0.0"
 
 jobs:
   build:
diff --git a/.github/workflows/_integration_test.yml b/.github/workflows/_integration_test.yml
index 798ea62b44e..ec0177b79f1 100644
--- a/.github/workflows/_integration_test.yml
+++ b/.github/workflows/_integration_test.yml
@@ -12,7 +12,7 @@ on:
         description: "Python version to use"
 
 env:
-  POETRY_VERSION: "1.8.4"
+  POETRY_VERSION: "2.0.0"
 
 jobs:
   build:
diff --git a/.github/workflows/_lint.yml b/.github/workflows/_lint.yml
index 993fd418211..6b4a916ba06 100644
--- a/.github/workflows/_lint.yml
+++ b/.github/workflows/_lint.yml
@@ -13,7 +13,7 @@ on:
         description: "Python version to use"
 
 env:
-  POETRY_VERSION: "1.8.4"
+  POETRY_VERSION: "2.0.0"
   WORKDIR: ${{ inputs.working-directory == '' && '.' || inputs.working-directory }}
 
   # This env var allows us to get inline annotations when ruff has complaints.
diff --git a/.github/workflows/_release.yml b/.github/workflows/_release.yml
index e54bcb360f4..1b63aaebea2 100644
--- a/.github/workflows/_release.yml
+++ b/.github/workflows/_release.yml
@@ -21,7 +21,7 @@ on:
 
 env:
   PYTHON_VERSION: "3.11"
-  POETRY_VERSION: "1.8.4"
+  POETRY_VERSION: "2.0.0"
 
 jobs:
   build:
diff --git a/.github/workflows/_test.yml b/.github/workflows/_test.yml
index 5471ed76cbd..5db32a738e6 100644
--- a/.github/workflows/_test.yml
+++ b/.github/workflows/_test.yml
@@ -13,7 +13,7 @@ on:
         description: "Python version to use"
 
 env:
-  POETRY_VERSION: "1.8.4"
+  POETRY_VERSION: "2.0.0"
 
 jobs:
   build:
diff --git a/.github/workflows/_test_doc_imports.yml b/.github/workflows/_test_doc_imports.yml
index 1c7c5d13d96..ebec15791dd 100644
--- a/.github/workflows/_test_doc_imports.yml
+++ b/.github/workflows/_test_doc_imports.yml
@@ -9,7 +9,7 @@ on:
         description: "Python version to use"
 
 env:
-  POETRY_VERSION: "1.8.4"
+  POETRY_VERSION: "2.0.0"
 
 jobs:
   build:
diff --git a/.github/workflows/_test_pydantic.yml b/.github/workflows/_test_pydantic.yml
index 50831fd8f12..158905c080c 100644
--- a/.github/workflows/_test_pydantic.yml
+++ b/.github/workflows/_test_pydantic.yml
@@ -18,7 +18,7 @@ on:
         description: "Pydantic version to test."
 
 env:
-  POETRY_VERSION: "1.8.4"
+  POETRY_VERSION: "2.0.0"
 
 jobs:
   build:
diff --git a/.github/workflows/_test_release.yml b/.github/workflows/_test_release.yml
index 5d70d3974e2..80ed844553d 100644
--- a/.github/workflows/_test_release.yml
+++ b/.github/workflows/_test_release.yml
@@ -14,7 +14,7 @@ on:
         description: "Release from a non-master branch (danger!)"
 
 env:
-  POETRY_VERSION: "1.8.4"
+  POETRY_VERSION: "2.0.0"
   PYTHON_VERSION: "3.10"
 
 jobs:
diff --git a/.github/workflows/api_doc_build.yml b/.github/workflows/api_doc_build.yml
index 28ad2d74236..dadc688668f 100644
--- a/.github/workflows/api_doc_build.yml
+++ b/.github/workflows/api_doc_build.yml
@@ -5,7 +5,7 @@ on:
   schedule:
     - cron:  '0 13 * * *'
 env:
-  POETRY_VERSION: "1.8.4"
+  POETRY_VERSION: "2.0.0"
   PYTHON_VERSION: "3.11"
 
 jobs:
diff --git a/.github/workflows/check_diffs.yml b/.github/workflows/check_diffs.yml
index 8e3bdadff88..2167addf336 100644
--- a/.github/workflows/check_diffs.yml
+++ b/.github/workflows/check_diffs.yml
@@ -18,7 +18,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  POETRY_VERSION: "1.8.4"
+  POETRY_VERSION: "2.0.0"
 
 jobs:
   build:
diff --git a/.github/workflows/run_notebooks.yml b/.github/workflows/run_notebooks.yml
index 4f4fc703b38..6da131dd324 100644
--- a/.github/workflows/run_notebooks.yml
+++ b/.github/workflows/run_notebooks.yml
@@ -15,7 +15,7 @@ on:
     - cron: '0 13 * * *'
 
 env:
-  POETRY_VERSION: "1.8.4"
+  POETRY_VERSION: "2.0.0"
 
 jobs:
   build:
diff --git a/.github/workflows/scheduled_test.yml b/.github/workflows/scheduled_test.yml
index bcf489e52b1..492e1b1b900 100644
--- a/.github/workflows/scheduled_test.yml
+++ b/.github/workflows/scheduled_test.yml
@@ -13,7 +13,7 @@ on:
     - cron:  '0 13 * * *'
 
 env:
-  POETRY_VERSION: "1.8.4"
+  POETRY_VERSION: "2.0.0"
   DEFAULT_LIBS: '["libs/partners/openai", "libs/partners/anthropic", "libs/partners/fireworks", "libs/partners/groq", "libs/partners/mistralai", "libs/partners/google-vertexai", "libs/partners/google-genai", "libs/partners/aws"]'
 
 jobs: