diff --git a/.ci_support/linux_64_.yaml b/.ci_support/linux_64_.yaml
index e98657b..6fa2d78 100644
--- a/.ci_support/linux_64_.yaml
+++ b/.ci_support/linux_64_.yaml
@@ -23,13 +23,13 @@ gdk_pixbuf:
 glib:
 - '2'
 harfbuzz:
-- '8'
+- '9'
 libpng:
 - '1.6'
 libxml2:
 - '2'
 pango:
-- '1.50'
+- '1'
 rust_compiler:
 - rust
 target_platform:
diff --git a/.ci_support/linux_aarch64_.yaml b/.ci_support/linux_aarch64_.yaml
index 7789cd0..bd6ff66 100644
--- a/.ci_support/linux_aarch64_.yaml
+++ b/.ci_support/linux_aarch64_.yaml
@@ -27,13 +27,13 @@ gdk_pixbuf:
 glib:
 - '2'
 harfbuzz:
-- '8'
+- '9'
 libpng:
 - '1.6'
 libxml2:
 - '2'
 pango:
-- '1.50'
+- '1'
 rust_compiler:
 - rust
 target_platform:
diff --git a/.ci_support/linux_ppc64le_.yaml b/.ci_support/linux_ppc64le_.yaml
index 6d030cc..8f02348 100644
--- a/.ci_support/linux_ppc64le_.yaml
+++ b/.ci_support/linux_ppc64le_.yaml
@@ -23,13 +23,13 @@ gdk_pixbuf:
 glib:
 - '2'
 harfbuzz:
-- '8'
+- '9'
 libpng:
 - '1.6'
 libxml2:
 - '2'
 pango:
-- '1.50'
+- '1'
 rust_compiler:
 - rust
 target_platform:
diff --git a/.ci_support/migrations/harfbuzz9.yaml b/.ci_support/migrations/harfbuzz9.yaml
new file mode 100644
index 0000000..0216ea6
--- /dev/null
+++ b/.ci_support/migrations/harfbuzz9.yaml
@@ -0,0 +1,8 @@
+__migrator:
+  build_number: 1
+  commit_message: Rebuild for harfbuzz 9
+  kind: version
+  migration_number: 1
+harfbuzz:
+- '9'
+migrator_ts: 1719592972.538086
diff --git a/.ci_support/osx_64_.yaml b/.ci_support/osx_64_.yaml
index b3dde11..5691ef4 100644
--- a/.ci_support/osx_64_.yaml
+++ b/.ci_support/osx_64_.yaml
@@ -25,7 +25,7 @@ libxml2:
 macos_machine:
 - x86_64-apple-darwin13.4.0
 pango:
-- '1.50'
+- '1'
 rust_compiler:
 - rust
 target_platform:
diff --git a/.ci_support/osx_arm64_.yaml b/.ci_support/osx_arm64_.yaml
index 1e4cf4d..0c262b0 100644
--- a/.ci_support/osx_arm64_.yaml
+++ b/.ci_support/osx_arm64_.yaml
@@ -25,7 +25,7 @@ libxml2:
 macos_machine:
 - arm64-apple-darwin20.0.0
 pango:
-- '1.50'
+- '1'
 rust_compiler:
 - rust
 target_platform:
diff --git a/.ci_support/win_64_.yaml b/.ci_support/win_64_.yaml
index f0bdffe..6cffae6 100644
--- a/.ci_support/win_64_.yaml
+++ b/.ci_support/win_64_.yaml
@@ -15,7 +15,7 @@ glib:
 libxml2:
 - '2'
 pango:
-- '1.50'
+- '1'
 rust_compiler:
 - rust
 target_platform:
diff --git a/.scripts/build_steps.sh b/.scripts/build_steps.sh
index a5836e8..ba4b251 100755
--- a/.scripts/build_steps.sh
+++ b/.scripts/build_steps.sh
@@ -72,7 +72,6 @@ else
         --suppress-variables ${EXTRA_CB_OPTIONS:-} \
         --clobber-file "${CI_SUPPORT}/clobber_${CONFIG}.yaml" \
         --extra-meta flow_run_id="${flow_run_id:-}" remote_url="${remote_url:-}" sha="${sha:-}"
-
     ( startgroup "Inspecting artifacts" ) 2> /dev/null
 
     # inspect_artifacts was only added in conda-forge-ci-setup 4.6.0
diff --git a/conda-forge.yml b/conda-forge.yml
index 24f666c..82eec8c 100644
--- a/conda-forge.yml
+++ b/conda-forge.yml
@@ -1,9 +1,9 @@
 build_platform:
   osx_arm64: osx_64
 conda_build:
-  pkg_format: '2'
   error_overdepending: true
   error_overlinking: true
+  pkg_format: '2'
 conda_forge_output_validation: true
 github:
   branch_name: main
diff --git a/recipe/conda_build_config.yaml b/recipe/conda_build_config.yaml
index 18f453f..cd9a60b 100644
--- a/recipe/conda_build_config.yaml
+++ b/recipe/conda_build_config.yaml
@@ -1,6 +1,4 @@
 c_compiler:        # [win]
   - vs2022         # [win]
-c_stdlib_version:  # [osx and x86]
-  - '10.12'        # [osx and x86]
 gdk_pixbuf:
   - 2
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index ff00ff6..0960b86 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -14,7 +14,7 @@ source:
     - add_rust_lto.patch
 
 build:
-  number: 0
+  number: 1
   run_exports:
     # Looks good but no new info after 2.43 so keeping it x.x for safety.
     # https://abi-laboratory.pro/?view=timeline&l=librsvg