diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6044ffd946efc06872d27aeb010f9d7c91c4b7a2..16a8e85987b737767257dc0199a2524d22edb73b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -33,7 +33,7 @@ variables:
   # /!\ CI_REGISTRY is overriden to use a private Docker registry mirror in AWS ECR
   # in GitLab namespaces `nomadic-labs` and `tezos`
   ## This value MUST be the same as `opam_repository_tag` in `scripts/version.sh`
-  build_deps_image_version: f75ae248f97f82ed70c683c567b5cb958eca8795
+  build_deps_image_version: b95158f1d22c9aaf9cbf5450299dfbdc18b294be
   build_deps_image_name: "${CI_REGISTRY}/tezos/opam-repository"
   GIT_STRATEGY: fetch
   GIT_DEPTH: "1"
diff --git a/CHANGES.rst b/CHANGES.rst
index fa1af89360c61faaccde7f4efaa18dd966613756..d96447245493ea4b72dae3e2c4527ec0861c0e63 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -152,6 +152,9 @@ Node
 - Replaced some "precheck" occurrences with "validate" in event and
   error identifiers and messages. (MR :gl: `!7513`)
 
+- Fixed a issue that may trigger unknown keys errors while reading the
+  context on a read-only instance.
+
 Client
 ------
 
diff --git a/manifest/main.ml b/manifest/main.ml
index becbaebba2d37aec05e0e5d53d52e703cd9e6c40..42b9bbea24439d0cd2579f4f71358e39b4713509 100644
--- a/manifest/main.ml
+++ b/manifest/main.ml
@@ -182,10 +182,10 @@ let ipaddr =
 
 let ipaddr_unix = external_sublib ipaddr "ipaddr.unix"
 
-let irmin = external_lib "irmin" V.(at_least "3.5.1" && less_than "3.6.0")
+let irmin = external_lib "irmin" V.(at_least "3.5.2" && less_than "3.6.0")
 
 let irmin_pack =
-  external_lib "irmin-pack" V.(at_least "3.5.1" && less_than "3.6.0")
+  external_lib "irmin-pack" V.(at_least "3.5.2" && less_than "3.6.0")
 
 let irmin_pack_unix = external_sublib irmin_pack "irmin-pack.unix"
 
diff --git a/opam/octez-dal-node.opam b/opam/octez-dal-node.opam
index d7c2bc8366355f7869b68486ead97b8c3295edbe..459297624905677b7ab491e4ce26e38993867e74 100644
--- a/opam/octez-dal-node.opam
+++ b/opam/octez-dal-node.opam
@@ -24,8 +24,8 @@ depends: [
   "tezos-dal-node-services"
   "tezos-layer2-store"
   "tezos-crypto-dal"
-  "irmin-pack" { >= "3.5.1" & < "3.6.0" }
-  "irmin" { >= "3.5.1" & < "3.6.0" }
+  "irmin-pack" { >= "3.5.2" & < "3.6.0" }
+  "irmin" { >= "3.5.2" & < "3.6.0" }
   "tezos-dal-016-PtMumbai"
 ]
 depopts: [
diff --git a/opam/octez-smart-rollup-node-PtMumbai.opam b/opam/octez-smart-rollup-node-PtMumbai.opam
index f6bcf772f77eb8926dea70ab1aa1e0c10a946dc7..de784f2f96c5952c5209b4cee58570a5907e9351 100644
--- a/opam/octez-smart-rollup-node-PtMumbai.opam
+++ b/opam/octez-smart-rollup-node-PtMumbai.opam
@@ -30,8 +30,8 @@ depends: [
   "tezos-layer2-utils-016-PtMumbai"
   "tezos-layer2-store"
   "data-encoding" { >= "0.7.1" & < "1.0.0" }
-  "irmin-pack" { >= "3.5.1" & < "3.6.0" }
-  "irmin" { >= "3.5.1" & < "3.6.0" }
+  "irmin-pack" { >= "3.5.2" & < "3.6.0" }
+  "irmin" { >= "3.5.2" & < "3.6.0" }
   "aches" { >= "1.0.0" }
   "aches-lwt" { >= "1.0.0" }
   "tezos-injector-016-PtMumbai"
diff --git a/opam/octez-smart-rollup-node-alpha.opam b/opam/octez-smart-rollup-node-alpha.opam
index 1dfd5665940ac3c1aad0f35d8812a9e4188aaf49..5073cbd05c5fd345d1c847a910da7e3338d310a4 100644
--- a/opam/octez-smart-rollup-node-alpha.opam
+++ b/opam/octez-smart-rollup-node-alpha.opam
@@ -30,8 +30,8 @@ depends: [
   "tezos-layer2-utils-alpha"
   "tezos-layer2-store"
   "data-encoding" { >= "0.7.1" & < "1.0.0" }
-  "irmin-pack" { >= "3.5.1" & < "3.6.0" }
-  "irmin" { >= "3.5.1" & < "3.6.0" }
+  "irmin-pack" { >= "3.5.2" & < "3.6.0" }
+  "irmin" { >= "3.5.2" & < "3.6.0" }
   "aches" { >= "1.0.0" }
   "aches-lwt" { >= "1.0.0" }
   "tezos-injector-alpha"
diff --git a/opam/tezos-context.opam b/opam/tezos-context.opam
index 74f30a52784aa6e0d1c14160313ba11c8f831fb2..46da4518462b3fe55f7b9b239b1965d3c90b624a 100644
--- a/opam/tezos-context.opam
+++ b/opam/tezos-context.opam
@@ -11,8 +11,8 @@ depends: [
   "dune" { >= "3.0" }
   "tezos-base"
   "tezos-stdlib"
-  "irmin" { >= "3.5.1" & < "3.6.0" }
-  "irmin-pack" { >= "3.5.1" & < "3.6.0" }
+  "irmin" { >= "3.5.2" & < "3.6.0" }
+  "irmin-pack" { >= "3.5.2" & < "3.6.0" }
   "tezos-stdlib-unix"
   "fmt" { >= "0.8.7" }
   "bigstringaf" { >= "0.5.0" }
diff --git a/opam/tezos-layer2-store.opam b/opam/tezos-layer2-store.opam
index 870cd410cbe6cd3757b27a7cc5e15a02c0c1db48..afc8b11b33c5cc46269b62c6db85bfa5267efd28 100644
--- a/opam/tezos-layer2-store.opam
+++ b/opam/tezos-layer2-store.opam
@@ -11,8 +11,8 @@ depends: [
   "dune" { >= "3.0" }
   "index" { >= "1.6.0" & < "1.7.0" }
   "tezos-base"
-  "irmin-pack" { >= "3.5.1" & < "3.6.0" }
-  "irmin" { >= "3.5.1" & < "3.6.0" }
+  "irmin-pack" { >= "3.5.2" & < "3.6.0" }
+  "irmin" { >= "3.5.2" & < "3.6.0" }
   "aches-lwt" { >= "1.0.0" }
   "tezos-stdlib-unix"
   "tezos-context"
diff --git a/opam/tezos-store.opam b/opam/tezos-store.opam
index f87be3ea7b2b4773852568a870a49445ffc3ae3d..ebeceaa9cc0d00c872d922a476a7a4243085e599 100644
--- a/opam/tezos-store.opam
+++ b/opam/tezos-store.opam
@@ -18,7 +18,7 @@ depends: [
   "tezos-validation"
   "tezos-version"
   "index" { >= "1.6.0" & < "1.7.0" }
-  "irmin-pack" { >= "3.5.1" & < "3.6.0" }
+  "irmin-pack" { >= "3.5.2" & < "3.6.0" }
   "tezos-protocol-environment"
   "tezos-context"
   "tezos-context-ops"
diff --git a/opam/virtual/octez-deps.opam b/opam/virtual/octez-deps.opam
index 165bb47c124970931429b361245e25bd7ba811cf..e87a7addbf99a371986c306ec082cda77f65e8ba 100644
--- a/opam/virtual/octez-deps.opam
+++ b/opam/virtual/octez-deps.opam
@@ -43,8 +43,8 @@ depends: [
   "integers"
   "integers_stubs_js"
   "ipaddr" { >= "5.0.0" & < "6.0.0" }
-  "irmin" { >= "3.5.1" & < "3.6.0" }
-  "irmin-pack" { >= "3.5.1" & < "3.6.0" }
+  "irmin" { >= "3.5.2" & < "3.6.0" }
+  "irmin-pack" { >= "3.5.2" & < "3.6.0" }
   "json-data-encoding" { >= "0.12" & < "0.13" }
   "ledgerwallet-tezos" { >= "0.3.0" }
   "logs"
diff --git a/scripts/version.sh b/scripts/version.sh
index 8ddf05fe6b90be9e7ed643a5ac98638058b4527a..decdb79a075bb31ca1823a93c5231aec03e22abb 100755
--- a/scripts/version.sh
+++ b/scripts/version.sh
@@ -20,12 +20,12 @@ export recommended_node_version=16.18.1
 
 ## full_opam_repository is a commit hash of the public OPAM repository, i.e.
 ## https://github.com/ocaml/opam-repository
-export full_opam_repository_tag=7f0579750a745ea92dc2fe3869d491902e2c29dd
+export full_opam_repository_tag=83a6f7bc4a32e413840cf4a20afb1557fca38a5e
 
 ## opam_repository is an additional, tezos-specific opam repository.
 ## This value MUST be the same as `build_deps_image_version` in `.gitlab/ci/templates.yml
 export opam_repository_url=https://gitlab.com/tezos/opam-repository
-export opam_repository_tag="${OPAM_REPOSITORY_TAG:-f75ae248f97f82ed70c683c567b5cb958eca8795}"
+export opam_repository_tag="${OPAM_REPOSITORY_TAG:-b95158f1d22c9aaf9cbf5450299dfbdc18b294be}"
 export opam_repository_git="$opam_repository_url.git"
 export opam_repository="$opam_repository_git"\#"$opam_repository_tag"