diff --git a/acq.backends/common.sh b/acq.backends/common.sh
index d2fc4cf0..dbbef74f 100644
--- a/acq.backends/common.sh
+++ b/acq.backends/common.sh
@@ -36,7 +36,8 @@ PATTERNS_KIT_REPO="git+https://github.com/GSA-TTS/agentic-coding-patterns.git"
 # the bundle-version anchor recorded in a sandbox's host-side provenance record
 # (see ACQ_BUILTIN_BUNDLE below + the provenance helpers) so acq can tell a
 # stale sandbox from a current one.
-PATTERNS_KIT_REF="f2227413df78dc5ef6580b5e29c59542dfe1f66a"  # agentic-coding-patterns v1.11.0
+# agentic-coding-patterns v1.12.0 release SHA.
+PATTERNS_KIT_REF="56d1f5f49ef928f50e61aa64a93d618b3d21c415"
 PATTERNS_KIT_DIR="integrations/isolation/acq-kits"
 
 USAI_PROVIDER_KIT_NAME="usai-provider"
diff --git a/docs/BACKEND_GUIDE.md b/docs/BACKEND_GUIDE.md
index cc855f52..20e1ee46 100644
--- a/docs/BACKEND_GUIDE.md
+++ b/docs/BACKEND_GUIDE.md
@@ -691,7 +691,7 @@ You can also apply it for one sandbox by passing the pinned kit ref through
 `--kit`, or by exporting that same ref in `ACQ_EXTRA_KITS`:
 
 ```bash
-acq run opencode . --kit 'git+https://github.com/GSA-TTS/agentic-coding-patterns.git#ref=f2227413df78dc5ef6580b5e29c59542dfe1f66a&dir=integrations/isolation/acq-kits/oci-engine'
+acq run opencode . --kit 'git+https://github.com/GSA-TTS/agentic-coding-patterns.git#ref=56d1f5f49ef928f50e61aa64a93d618b3d21c415&dir=integrations/isolation/acq-kits/oci-engine'
 ```
 
 The kit provisions **rootless podman** and aliases `docker` to `podman`, so
diff --git a/docs/KNOWN_FAILURE_MODES.md b/docs/KNOWN_FAILURE_MODES.md
index 1d8f86a4..f472119e 100644
--- a/docs/KNOWN_FAILURE_MODES.md
+++ b/docs/KNOWN_FAILURE_MODES.md
@@ -1772,7 +1772,7 @@ For a single sandbox, pass the pinned kit ref with `--kit` or include it in
 `ACQ_EXTRA_KITS`:
 
 ```bash
-acq run opencode . --kit 'git+https://github.com/GSA-TTS/agentic-coding-patterns.git#ref=f2227413df78dc5ef6580b5e29c59542dfe1f66a&dir=integrations/isolation/acq-kits/oci-engine'
+acq run opencode . --kit 'git+https://github.com/GSA-TTS/agentic-coding-patterns.git#ref=56d1f5f49ef928f50e61aa64a93d618b3d21c415&dir=integrations/isolation/acq-kits/oci-engine'
 ```
 
 Existing sandboxes that were created before this change keep whatever podman
diff --git a/test/bats/135-configure.bats b/test/bats/135-configure.bats
index bf7e9eea..4d8e023c 100644
--- a/test/bats/135-configure.bats
+++ b/test/bats/135-configure.bats
@@ -160,7 +160,7 @@ _cfg_src() {
   '
   assert_success
   assert_line 'oci-engine'
-  assert_output --partial 'ref=f2227413df78dc5ef6580b5e29c59542dfe1f66a'
+  assert_output --partial 'ref=56d1f5f49ef928f50e61aa64a93d618b3d21c415'
   assert_output --partial 'dir=integrations/isolation/acq-kits/oci-engine'
 }
 
diff --git a/test/bats/95-kit-ref-persistence.bats b/test/bats/95-kit-ref-persistence.bats
index c9bfe6c7..9e00e571 100644
--- a/test/bats/95-kit-ref-persistence.bats
+++ b/test/bats/95-kit-ref-persistence.bats
@@ -89,7 +89,7 @@ SPEC
   assert_regex "$log" 'ocistartbox:/home/agent/oci-engine-marker'
   run cat "$(_acq_cli_kits_file msb ocistartbox)"
   assert_output --partial 'dir=integrations/isolation/acq-kits/oci-engine'
-  assert_output --partial 'ref=f2227413df78dc5ef6580b5e29c59542dfe1f66a'
+  assert_output --partial 'ref=56d1f5f49ef928f50e61aa64a93d618b3d21c415'
 }
 
 @test "cli-kits: backend keying — an sbx read does not see an msb record" {