diff --git a/.ci_support/linux_64_.yaml b/.ci_support/linux_64_.yaml
index 4b85af6..bd3b843 100644
--- a/.ci_support/linux_64_.yaml
+++ b/.ci_support/linux_64_.yaml
@@ -17,6 +17,6 @@ python_min:
 rust_compiler:
 - rust
 rust_compiler_version:
-- '1.92'
+- '1.91'
 target_platform:
 - linux-64
diff --git a/.ci_support/linux_aarch64_.yaml b/.ci_support/linux_aarch64_.yaml
index a03e062..8fd15ef 100644
--- a/.ci_support/linux_aarch64_.yaml
+++ b/.ci_support/linux_aarch64_.yaml
@@ -17,6 +17,6 @@ python_min:
 rust_compiler:
 - rust
 rust_compiler_version:
-- '1.92'
+- '1.91'
 target_platform:
 - linux-aarch64
diff --git a/.ci_support/linux_ppc64le_.yaml b/.ci_support/linux_ppc64le_.yaml
index d8fde15..099760d 100644
--- a/.ci_support/linux_ppc64le_.yaml
+++ b/.ci_support/linux_ppc64le_.yaml
@@ -17,6 +17,6 @@ python_min:
 rust_compiler:
 - rust
 rust_compiler_version:
-- '1.92'
+- '1.91'
 target_platform:
 - linux-ppc64le
diff --git a/.ci_support/osx_64_.yaml b/.ci_support/osx_64_.yaml
index 51064e8..666834d 100644
--- a/.ci_support/osx_64_.yaml
+++ b/.ci_support/osx_64_.yaml
@@ -21,6 +21,6 @@ python_min:
 rust_compiler:
 - rust
 rust_compiler_version:
-- '1.92'
+- '1.91'
 target_platform:
 - osx-64
diff --git a/.ci_support/osx_arm64_.yaml b/.ci_support/osx_arm64_.yaml
index beb9abb..b0d163f 100644
--- a/.ci_support/osx_arm64_.yaml
+++ b/.ci_support/osx_arm64_.yaml
@@ -21,6 +21,6 @@ python_min:
 rust_compiler:
 - rust
 rust_compiler_version:
-- '1.92'
+- '1.91'
 target_platform:
 - osx-arm64
diff --git a/.ci_support/win_64_.yaml b/.ci_support/win_64_.yaml
index b9e7de0..abbe8d9 100644
--- a/.ci_support/win_64_.yaml
+++ b/.ci_support/win_64_.yaml
@@ -9,6 +9,6 @@ python_min:
 rust_compiler:
 - rust
 rust_compiler_version:
-- '1.92'
+- '1.91'
 target_platform:
 - win-64
diff --git a/recipe/conda_build_config.yaml b/recipe/conda_build_config.yaml
index b30cd0d..2f6f9a8 100644
--- a/recipe/conda_build_config.yaml
+++ b/recipe/conda_build_config.yaml
@@ -1,2 +1,2 @@
 rust_compiler_version:
-  - "1.92"
+  - "1.91"
diff --git a/recipe/recipe.yaml b/recipe/recipe.yaml
index 4069dd9..753be04 100644
--- a/recipe/recipe.yaml
+++ b/recipe/recipe.yaml
@@ -15,7 +15,7 @@ source:
   sha256: 04f1ae61fc20fe0b148617c324d9d009b5f63412c0b16474f3d5f1a1a665f7ac
 
 build:
-  number: 1
+  number: 0
 
   # we only build 1 package for each target platform
   python: