diff --git a/Dockerfile b/Dockerfile
index 5b583a25e27..6bf0bcdea28 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,7 @@ ARG PYTHON_VERSION=3.12
 # renovate: datasource=github-tags depName=libgeos/geos
 ARG GEOS_VERSION=3.14.1
 # renovate: datasource=github-tags depName=OSGeo/PROJ
-ARG PROJ_VERSION=9.7.1
+ARG PROJ_VERSION=9.8.0
 # renovate: datasource=github-tags depName=OSGeo/gdal
 ARG GDAL_VERSION=3.12.1
 # renovate: datasource=github-tags depName=PDAL/PDAL
diff --git a/docker/ubuntu/Dockerfile b/docker/ubuntu/Dockerfile
index 5b583a25e27..6bf0bcdea28 100644
--- a/docker/ubuntu/Dockerfile
+++ b/docker/ubuntu/Dockerfile
@@ -11,7 +11,7 @@ ARG PYTHON_VERSION=3.12
 # renovate: datasource=github-tags depName=libgeos/geos
 ARG GEOS_VERSION=3.14.1
 # renovate: datasource=github-tags depName=OSGeo/PROJ
-ARG PROJ_VERSION=9.7.1
+ARG PROJ_VERSION=9.8.0
 # renovate: datasource=github-tags depName=OSGeo/gdal
 ARG GDAL_VERSION=3.12.1
 # renovate: datasource=github-tags depName=PDAL/PDAL