diff --git a/Dockerfile b/Dockerfile
index d65ff17..91cc7c1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,7 +14,7 @@
 # ---------------------------------------------------------------------------
 # Stage 1: Builder
 # ---------------------------------------------------------------------------
-FROM python:3.14@sha256:6f473f84b09fccf411d4875e19e9e2796b59d6b3c722463d2963384a43e59f39 AS builder
+FROM python:3.14@sha256:1a644e11f327643c58d47b3aaf4632ba602da0da95d3e5845d85bd50d4be30e8 AS builder
 
 WORKDIR /usr/src
 
@@ -43,7 +43,7 @@ RUN npm ci --no-audit --no-fund
 # ---------------------------------------------------------------------------
 # Stage 2: Docs runtime
 # ---------------------------------------------------------------------------
-FROM python:3.14@sha256:6f473f84b09fccf411d4875e19e9e2796b59d6b3c722463d2963384a43e59f39 AS docs
+FROM python:3.14@sha256:1a644e11f327643c58d47b3aaf4632ba602da0da95d3e5845d85bd50d4be30e8 AS docs
 
 WORKDIR /project
 
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 8a5f532..fc4d27a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
 # Development-only dependencies.
 # Production runtime dependencies live in requirements.txt.
 # Install with: pip install -r requirements-dev.txt
-pytest>=9.0.3
+pytest>=9.1.1
 pytest-cov>=7.1.0