diff --git a/.ci_support/linux_64_.yaml b/.ci_support/linux_64_.yaml
index 01ecf1f..362665f 100644
--- a/.ci_support/linux_64_.yaml
+++ b/.ci_support/linux_64_.yaml
@@ -11,7 +11,7 @@ c_stdlib_version:
 cdt_name:
 - conda
 cfitsio:
-- 4.3.1
+- 4.6.0
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/migrations/cfitsio460.yaml b/.ci_support/migrations/cfitsio460.yaml
new file mode 100644
index 0000000..036ed1a
--- /dev/null
+++ b/.ci_support/migrations/cfitsio460.yaml
@@ -0,0 +1,8 @@
+__migrator:
+  build_number: 1
+  commit_message: Rebuild for cfitsio 4.6.0
+  kind: version
+  migration_number: 1
+cfitsio:
+- 4.6.0
+migrator_ts: 1742772391.5009055
diff --git a/.ci_support/osx_64_.yaml b/.ci_support/osx_64_.yaml
index ed3ea33..03855cb 100644
--- a/.ci_support/osx_64_.yaml
+++ b/.ci_support/osx_64_.yaml
@@ -11,7 +11,7 @@ c_stdlib:
 c_stdlib_version:
 - '10.13'
 cfitsio:
-- 4.3.1
+- 4.6.0
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/osx_arm64_.yaml b/.ci_support/osx_arm64_.yaml
index 8d1386c..aa0a8d6 100644
--- a/.ci_support/osx_arm64_.yaml
+++ b/.ci_support/osx_arm64_.yaml
@@ -11,7 +11,7 @@ c_stdlib:
 c_stdlib_version:
 - '11.0'
 cfitsio:
-- 4.3.1
+- 4.6.0
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.gitignore b/.gitignore
index 179afe5..47b5408 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,3 +22,8 @@
 /build_artifacts
 
 *.pyc
+
+# Rattler-build's artifacts are in `output` when not specifying anything.
+/output
+# Pixi's configuration
+.pixi
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 9f4c191..7645349 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -10,7 +10,7 @@ source:
   sha256: dab7ce09d193d043dffeaa61dc644ae2e0f7fcd12881be20eda86c3df4d75afb
 
 build:
-  number: 0
+  number: 1
   skip: true  # [win]
 
 requirements: