diff --git a/.github/actions/setup-sentry/action.yml b/.github/actions/setup-sentry/action.yml
index dcadf92597cda9..374f583b2cdd88 100644
--- a/.github/actions/setup-sentry/action.yml
+++ b/.github/actions/setup-sentry/action.yml
@@ -38,7 +38,7 @@ inputs:
   python-version:
     description: 'python version to install'
     required: false
-    default: '3.13.1'
+    default: '3.12.6'
   pg-version:
     description: 'PostgreSQL version to use'
     default: '14'
diff --git a/.github/workflows/backend.yml b/.github/workflows/backend.yml
index 1e8a0c45c9bf83..2ec381aa97831c 100644
--- a/.github/workflows/backend.yml
+++ b/.github/workflows/backend.yml
@@ -208,7 +208,7 @@ jobs:
       - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
       - uses: getsentry/action-setup-venv@a133e6fd5fa6abd3f590a1c106abda344f5df69f # v2.1.0
         with:
-          python-version: 3.13.1
+          python-version: 3.12.6
           cache-dependency-path: requirements-dev-frozen.txt
           install-cmd: pip install -q --constraint requirements-dev-frozen.txt pip-tools
       - name: check requirements
@@ -301,7 +301,7 @@ jobs:
 
       - uses: getsentry/action-setup-venv@a133e6fd5fa6abd3f590a1c106abda344f5df69f # v2.1.0
         with:
-          python-version: 3.13.1
+          python-version: 3.12.6
           cache-dependency-path: requirements-dev-frozen.txt
           install-cmd: pip install -r requirements-dev-frozen.txt
 
diff --git a/.github/workflows/development-environment.yml b/.github/workflows/development-environment.yml
index df3da52d360e50..60e431419786be 100644
--- a/.github/workflows/development-environment.yml
+++ b/.github/workflows/development-environment.yml
@@ -33,7 +33,7 @@ jobs:
       - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
       - uses: getsentry/action-setup-venv@a133e6fd5fa6abd3f590a1c106abda344f5df69f # v2.1.0
         with:
-          python-version: 3.13.1
+          python-version: 3.12.6
           cache-dependency-path: |
             requirements-dev.txt
             requirements-dev-frozen.txt
@@ -52,7 +52,7 @@ jobs:
       - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
       - uses: getsentry/action-setup-venv@a133e6fd5fa6abd3f590a1c106abda344f5df69f # v2.1.0
         with:
-          python-version: 3.13.1
+          python-version: 3.12.6
           cache-dependency-path: |
             requirements-dev.txt
             requirements-dev-frozen.txt
diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 35de467dc715c7..bb04fbc502ce4c 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -71,7 +71,7 @@ jobs:
 
       - uses: getsentry/action-setup-venv@a133e6fd5fa6abd3f590a1c106abda344f5df69f # v2.1.0
         with:
-          python-version: 3.13.1
+          python-version: 3.12.6
           cache-dependency-path: |
             requirements-dev.txt
             requirements-dev-frozen.txt
diff --git a/.github/workflows/react-to-product-owners-yml-changes.yml b/.github/workflows/react-to-product-owners-yml-changes.yml
index 2ec486ac5a702b..ed86a93cefb0c6 100644
--- a/.github/workflows/react-to-product-owners-yml-changes.yml
+++ b/.github/workflows/react-to-product-owners-yml-changes.yml
@@ -13,7 +13,7 @@ jobs:
 
       - uses: getsentry/action-setup-venv@a133e6fd5fa6abd3f590a1c106abda344f5df69f # v2.1.0
         with:
-          python-version: 3.13.1
+          python-version: 3.12.6
 
       - name: React to product-owners.yml changes
         shell: bash
diff --git a/.github/workflows/self-hosted.yml b/.github/workflows/self-hosted.yml
index 5b58cf84604187..d218104b912e1c 100644
--- a/.github/workflows/self-hosted.yml
+++ b/.github/workflows/self-hosted.yml
@@ -31,7 +31,7 @@ jobs:
 
       - uses: getsentry/action-setup-venv@a133e6fd5fa6abd3f590a1c106abda344f5df69f # v2.1.0
         with:
-          python-version: 3.13.1
+          python-version: 3.12.6
           cache-dependency-path: requirements-dev-frozen.txt
           install-cmd: echo
 
diff --git a/.python-version b/.python-version
index c10780c628ad54..35f236d6e56f79 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.13.1
+3.12.6
diff --git a/devenv/config.ini b/devenv/config.ini
index 22e5e63a31db91..56980c710105d0 100644
--- a/devenv/config.ini
+++ b/devenv/config.ini
@@ -2,7 +2,7 @@
 minimum_version = 1.13.0
 
 [venv.sentry]
-python = 3.13.1
+python = 3.12.6
 path = .venv
 requirements = requirements-dev.txt
 editable =
@@ -11,7 +11,7 @@ editable =
 # bins =
 
 [venv.getsentry]
-python = 3.13.1
+python = 3.12.6
 # technically these are conflicting paths but getsentry is special
 # and would rather keep devenv config symlinked
 path = .venv
@@ -20,15 +20,15 @@ editable = .
 # but we'll just install it during sync as it's rarely populated
 requirements = sentry-requirements-dev-frozen.txt
 
-[python3.13.1]
-darwin_x86_64 = https://github.com/indygreg/python-build-standalone/releases/download/20250106/cpython-3.13.1+20250106-x86_64-apple-darwin-install_only.tar.gz
-darwin_x86_64_sha256 = 4c4dafe2d59bb58e8d3ad26af637b7ae9c8141bb79738966752976861bdb103d
-darwin_arm64 = https://github.com/indygreg/python-build-standalone/releases/download/20250106/cpython-3.13.1+20250106-aarch64-apple-darwin-install_only.tar.gz
-darwin_arm64_sha256 = bbfc96038d0b6922fd783f6eb2c9bf9abb648531d23d236bc1a0c16bdd061944
-linux_x86_64 = https://github.com/indygreg/python-build-standalone/releases/download/20250106/cpython-3.13.1+20250106-x86_64-unknown-linux-gnu-install_only.tar.gz
-linux_x86_64_sha256 = bb4696825039a2b5dc7fea2c6aeb085c89fd397016b44165ec73b4224ccc83e2
-linux_arm64 = https://github.com/indygreg/python-build-standalone/releases/download/20250106/cpython-3.13.1+20250106-aarch64-unknown-linux-gnu-install_only.tar.gz
-linux_arm64_sha256 = d37aef7bdf5c27f7d006918f7cedb31f4ba07c88f61baac4ffbe0bee6d4b5248
+[python3.12.6]
+darwin_x86_64 = https://github.com/indygreg/python-build-standalone/releases/download/20240909/cpython-3.12.6+20240909-x86_64-apple-darwin-install_only.tar.gz
+darwin_x86_64_sha256 = 8c56da91436bee158b0d592aed3393c1fe3da3694ca35950ee1c52935ba8bfd5
+darwin_arm64 = https://github.com/indygreg/python-build-standalone/releases/download/20240909/cpython-3.12.6+20240909-aarch64-apple-darwin-install_only.tar.gz
+darwin_arm64_sha256 = 899f46eb592fcac4e834c064e4c901e8a4a6b5864e80b18efd2f0b7c3c050584
+linux_x86_64 = https://github.com/indygreg/python-build-standalone/releases/download/20240909/cpython-3.12.6+20240909-x86_64-unknown-linux-gnu-install_only.tar.gz
+linux_x86_64_sha256 = 68ff386c923c59a33a272bd984b8a33fe8117c56ad7f7552e0c2b21937ee3c0b
+linux_arm64 = https://github.com/indygreg/python-build-standalone/releases/download/20240909/cpython-3.12.6+20240909-aarch64-unknown-linux-gnu-install_only.tar.gz
+linux_arm64_sha256 = caac1033f68f69d8978dc8c6b6964cfb9d8a111abc55c03403bd4ece63f331f3
 
 [node]
 # upstream (https://nodejs.org/dist/) is not reliable enough so we've mirrored it to GCS
@@ -68,12 +68,12 @@ version = 0.23.2
 
 # kept here only for compatibility with older `devenv`
 [python]
-version = 3.13.1
-darwin_x86_64 = https://github.com/indygreg/python-build-standalone/releases/download/20250106/cpython-3.13.1+20250106-x86_64-apple-darwin-install_only.tar.gz
-darwin_x86_64_sha256 = 4c4dafe2d59bb58e8d3ad26af637b7ae9c8141bb79738966752976861bdb103d
-darwin_arm64 = https://github.com/indygreg/python-build-standalone/releases/download/20250106/cpython-3.13.1+20250106-aarch64-apple-darwin-install_only.tar.gz
-darwin_arm64_sha256 = bbfc96038d0b6922fd783f6eb2c9bf9abb648531d23d236bc1a0c16bdd061944
-linux_x86_64 = https://github.com/indygreg/python-build-standalone/releases/download/20250106/cpython-3.13.1+20250106-x86_64-unknown-linux-gnu-install_only.tar.gz
-linux_x86_64_sha256 = bb4696825039a2b5dc7fea2c6aeb085c89fd397016b44165ec73b4224ccc83e2
-linux_arm64 = https://github.com/indygreg/python-build-standalone/releases/download/20250106/cpython-3.13.1+20250106-aarch64-unknown-linux-gnu-install_only.tar.gz
-linux_arm64_sha256 = d37aef7bdf5c27f7d006918f7cedb31f4ba07c88f61baac4ffbe0bee6d4b5248
+version = 3.12.6
+darwin_x86_64 = https://github.com/indygreg/python-build-standalone/releases/download/20240909/cpython-3.12.6+20240909-x86_64-apple-darwin-install_only.tar.gz
+darwin_x86_64_sha256 = 8c56da91436bee158b0d592aed3393c1fe3da3694ca35950ee1c52935ba8bfd5
+darwin_arm64 = https://github.com/indygreg/python-build-standalone/releases/download/20240909/cpython-3.12.6+20240909-aarch64-apple-darwin-install_only.tar.gz
+darwin_arm64_sha256 = 899f46eb592fcac4e834c064e4c901e8a4a6b5864e80b18efd2f0b7c3c050584
+linux_x86_64 = https://github.com/indygreg/python-build-standalone/releases/download/20240909/cpython-3.12.6+20240909-x86_64-unknown-linux-gnu-install_only.tar.gz
+linux_x86_64_sha256 = 68ff386c923c59a33a272bd984b8a33fe8117c56ad7f7552e0c2b21937ee3c0b
+linux_arm64 = https://github.com/indygreg/python-build-standalone/releases/download/20240909/cpython-3.12.6+20240909-aarch64-unknown-linux-gnu-install_only.tar.gz
+linux_arm64_sha256 = caac1033f68f69d8978dc8c6b6964cfb9d8a111abc55c03403bd4ece63f331f3
diff --git a/requirements-dev-frozen.txt b/requirements-dev-frozen.txt
index a05d8b2b5c20bb..65c2bc428e405f 100644
--- a/requirements-dev-frozen.txt
+++ b/requirements-dev-frozen.txt
@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.13
+# This file is autogenerated by pip-compile with Python 3.12
 # by the following command:
 #
 #    make freeze-requirements
diff --git a/requirements-frozen.txt b/requirements-frozen.txt
index 39ed502df9cb0b..7ef1b806ee91f0 100644
--- a/requirements-frozen.txt
+++ b/requirements-frozen.txt
@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.13
+# This file is autogenerated by pip-compile with Python 3.12
 # by the following command:
 #
 #    make freeze-requirements
diff --git a/scripts/lib.sh b/scripts/lib.sh
index b8d054bea45d6c..09fea300436ed4 100755
--- a/scripts/lib.sh
+++ b/scripts/lib.sh
@@ -63,11 +63,11 @@ EOF
     else
         minor=$(echo "${python_version}" | sed 's/[0-9]*\.\([0-9]*\)\.\([0-9]*\)/\1/')
         patch=$(echo "${python_version}" | sed 's/[0-9]*\.\([0-9]*\)\.\([0-9]*\)/\2/')
-        if [ "$minor" -ne 13 ] || [ "$patch" -lt 0 ]; then
+        if [ "$minor" -ne 12 ] || [ "$patch" -lt 1 ]; then
             cat <<EOF
     ${red}${bold}
     ERROR: You're running a virtualenv with Python ${python_version}.
-    We only support >= 3.13.0, < 3.14.
+    We only support >= 3.12.1, < 3.13.
     Either run "rm -rf ${venv_name} && direnv allow" to
     OR set SENTRY_PYTHON_VERSION=${python_version} to an .env file to bypass this check."
 EOF
diff --git a/self-hosted/Dockerfile b/self-hosted/Dockerfile
index 8ce254848f9d7d..b02b646d9dfb2a 100644
--- a/self-hosted/Dockerfile
+++ b/self-hosted/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.13.1-slim-bookworm
+FROM python:3.12.6-slim-bookworm
 
 LABEL maintainer="oss@sentry.io"
 LABEL org.opencontainers.image.title="Sentry"