diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a14bf1e..0bb6631 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -35,10 +35,10 @@ jobs:
           # giving us about 6 months of coverage.
           #
           # Minimum supported rust version (MSRV)
-          - "georust/geo-ci:rust-1.63"
+          - "georust/geo-ci:proj-9.2.1-rust-1.70"
           # Two most recent releases - we omit older ones for expedient CI
-          - "georust/geo-ci:rust-1.65"
-          - "georust/geo-ci:rust-1.66"
+          - "georust/geo-ci:proj-9.2.1-rust-1.71"
+          - "georust/geo-ci:proj-9.2.1-rust-1.72"
     container:
       image: ${{ matrix.container_image }}
     steps:
diff --git a/CHANGES.md b/CHANGES.md
index 250ef11..26b6d36 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -4,6 +4,7 @@
 
 - Remove `chrono` dependency
 - update geo-types to 0.7.8
+- bump MSRV to 1.69 to keep CI happy
 
 ### Breaking Changes
 
diff --git a/Cargo.toml b/Cargo.toml
index d5d026f..bb16193 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,6 +8,7 @@ repository = "https://github.com/georust/geocoding"
 keywords = ["gecoding", "geo", "gis", "geospatial"]
 readme = "README.md"
 edition = "2018"
+rust-version = "1.69"
 
 [dependencies]
 thiserror = "1.0"