diff --git a/.ci_support/linux_64_openssl1.1.1.yaml b/.ci_support/linux_64_openssl1.1.1.yaml
index a791fdfc..475fdc1e 100644
--- a/.ci_support/linux_64_openssl1.1.1.yaml
+++ b/.ci_support/linux_64_openssl1.1.1.yaml
@@ -91,7 +91,7 @@ poppler:
 postgresql:
 - '15'
 proj:
-- 9.1.0
+- 9.1.1
 python:
 - 3.10.* *_cpython
 - 3.11.* *_cpython
diff --git a/.ci_support/linux_64_openssl3.yaml b/.ci_support/linux_64_openssl3.yaml
index 01cdae29..b7fdcf4f 100644
--- a/.ci_support/linux_64_openssl3.yaml
+++ b/.ci_support/linux_64_openssl3.yaml
@@ -91,7 +91,7 @@ poppler:
 postgresql:
 - '15'
 proj:
-- 9.1.0
+- 9.1.1
 python:
 - 3.10.* *_cpython
 - 3.11.* *_cpython
diff --git a/.ci_support/linux_aarch64_openssl1.1.1.yaml b/.ci_support/linux_aarch64_openssl1.1.1.yaml
index 58792de2..2dc63191 100644
--- a/.ci_support/linux_aarch64_openssl1.1.1.yaml
+++ b/.ci_support/linux_aarch64_openssl1.1.1.yaml
@@ -95,7 +95,7 @@ poppler:
 postgresql:
 - '15'
 proj:
-- 9.1.0
+- 9.1.1
 python:
 - 3.10.* *_cpython
 - 3.11.* *_cpython
diff --git a/.ci_support/linux_aarch64_openssl3.yaml b/.ci_support/linux_aarch64_openssl3.yaml
index 6c7d155a..1f8ad328 100644
--- a/.ci_support/linux_aarch64_openssl3.yaml
+++ b/.ci_support/linux_aarch64_openssl3.yaml
@@ -95,7 +95,7 @@ poppler:
 postgresql:
 - '15'
 proj:
-- 9.1.0
+- 9.1.1
 python:
 - 3.10.* *_cpython
 - 3.11.* *_cpython
diff --git a/.ci_support/linux_ppc64le_openssl1.1.1.yaml b/.ci_support/linux_ppc64le_openssl1.1.1.yaml
index 7e86b4bf..b971740e 100644
--- a/.ci_support/linux_ppc64le_openssl1.1.1.yaml
+++ b/.ci_support/linux_ppc64le_openssl1.1.1.yaml
@@ -91,7 +91,7 @@ poppler:
 postgresql:
 - '15'
 proj:
-- 9.1.0
+- 9.1.1
 python:
 - 3.10.* *_cpython
 - 3.11.* *_cpython
diff --git a/.ci_support/linux_ppc64le_openssl3.yaml b/.ci_support/linux_ppc64le_openssl3.yaml
index 51df8aed..eff71f10 100644
--- a/.ci_support/linux_ppc64le_openssl3.yaml
+++ b/.ci_support/linux_ppc64le_openssl3.yaml
@@ -91,7 +91,7 @@ poppler:
 postgresql:
 - '15'
 proj:
-- 9.1.0
+- 9.1.1
 python:
 - 3.10.* *_cpython
 - 3.11.* *_cpython
diff --git a/.ci_support/migrations/libdeflate117.yaml b/.ci_support/migrations/proj911.yaml
similarity index 56%
rename from .ci_support/migrations/libdeflate117.yaml
rename to .ci_support/migrations/proj911.yaml
index be6a5305..862cd8a0 100644
--- a/.ci_support/migrations/libdeflate117.yaml
+++ b/.ci_support/migrations/proj911.yaml
@@ -2,6 +2,6 @@ __migrator:
   build_number: 1
   kind: version
   migration_number: 1
-libdeflate:
-- '1.17'
-migrator_ts: 1673799393.576726
+migrator_ts: 1670688425.6669424
+proj:
+- 9.1.1
diff --git a/.ci_support/osx_64_openssl1.1.1.yaml b/.ci_support/osx_64_openssl1.1.1.yaml
index b9b48011..2778b634 100644
--- a/.ci_support/osx_64_openssl1.1.1.yaml
+++ b/.ci_support/osx_64_openssl1.1.1.yaml
@@ -89,7 +89,7 @@ poppler:
 postgresql:
 - '15'
 proj:
-- 9.1.0
+- 9.1.1
 python:
 - 3.10.* *_cpython
 - 3.11.* *_cpython
diff --git a/.ci_support/osx_64_openssl3.yaml b/.ci_support/osx_64_openssl3.yaml
index 61f443ae..db4618ac 100644
--- a/.ci_support/osx_64_openssl3.yaml
+++ b/.ci_support/osx_64_openssl3.yaml
@@ -89,7 +89,7 @@ poppler:
 postgresql:
 - '15'
 proj:
-- 9.1.0
+- 9.1.1
 python:
 - 3.10.* *_cpython
 - 3.11.* *_cpython
diff --git a/.ci_support/osx_arm64_openssl1.1.1.yaml b/.ci_support/osx_arm64_openssl1.1.1.yaml
index 2880b7fe..8ead909c 100644
--- a/.ci_support/osx_arm64_openssl1.1.1.yaml
+++ b/.ci_support/osx_arm64_openssl1.1.1.yaml
@@ -89,7 +89,7 @@ poppler:
 postgresql:
 - '15'
 proj:
-- 9.1.0
+- 9.1.1
 python:
 - 3.10.* *_cpython
 - 3.11.* *_cpython
diff --git a/.ci_support/osx_arm64_openssl3.yaml b/.ci_support/osx_arm64_openssl3.yaml
index 1939b505..2ed90043 100644
--- a/.ci_support/osx_arm64_openssl3.yaml
+++ b/.ci_support/osx_arm64_openssl3.yaml
@@ -89,7 +89,7 @@ poppler:
 postgresql:
 - '15'
 proj:
-- 9.1.0
+- 9.1.1
 python:
 - 3.10.* *_cpython
 - 3.11.* *_cpython
diff --git a/.ci_support/win_64_openssl1.1.1.yaml b/.ci_support/win_64_openssl1.1.1.yaml
index 73f4fe6b..d02f180c 100644
--- a/.ci_support/win_64_openssl1.1.1.yaml
+++ b/.ci_support/win_64_openssl1.1.1.yaml
@@ -77,7 +77,7 @@ poppler:
 postgresql:
 - '15'
 proj:
-- 9.1.0
+- 9.1.1
 python:
 - 3.10.* *_cpython
 - 3.11.* *_cpython
diff --git a/.ci_support/win_64_openssl3.yaml b/.ci_support/win_64_openssl3.yaml
index 3c3f2905..27ad6d47 100644
--- a/.ci_support/win_64_openssl3.yaml
+++ b/.ci_support/win_64_openssl3.yaml
@@ -77,7 +77,7 @@ poppler:
 postgresql:
 - '15'
 proj:
-- 9.1.0
+- 9.1.1
 python:
 - 3.10.* *_cpython
 - 3.11.* *_cpython
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 75748c21..c235f3ed 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -9,7 +9,7 @@ source:
   sha256: 35f40d2e08061b342513cdcddc2b997b3814ef8254514f0ef1e8bc7aa56cf681
 
 build:
-  number: 3
+  number: 4
   skip_compile_pyc:
     - share/bash-completion/completions/*.py