diff --git a/.ocamlformat b/.ocamlformat
index 9bc3c7b2..8714408e 100644
--- a/.ocamlformat
+++ b/.ocamlformat
@@ -1 +1,2 @@
 version=0.24.1
+ocaml-version = 4.08.0
diff --git a/dune-project b/dune-project
index 7942aee4..175be340 100644
--- a/dune-project
+++ b/dune-project
@@ -34,7 +34,7 @@
  (depends
   voodoo-lib
   voodoo-web
-  odoc ; = 2.2.0 pinned by the pipeline
+  (odoc (= 2.2.0))
   tyxml
   astring
   cmdliner
@@ -50,10 +50,11 @@
   (omd
    (= 2.0.0~alpha3))
    voodoo-lib
-  odoc  ; = 2.2.0 pinned by the pipeline
+  (odoc (= 2.2.0))
   (opam-format
    (>= 2.1.0~beta2))
   tyxml
+  conf-pandoc
   astring
   cmdliner
   yojson
diff --git a/voodoo-do.opam b/voodoo-do.opam
index 023ef75c..b8209316 100644
--- a/voodoo-do.opam
+++ b/voodoo-do.opam
@@ -12,7 +12,7 @@ depends: [
   "dune" {>= "2.8"}
   "voodoo-lib"
   "voodoo-web"
-  "odoc"
+  "odoc" {= "2.2.0"}
   "tyxml"
   "astring"
   "cmdliner"
diff --git a/voodoo-gen.opam b/voodoo-gen.opam
index 4a09c383..59d816b1 100644
--- a/voodoo-gen.opam
+++ b/voodoo-gen.opam
@@ -13,9 +13,10 @@ depends: [
   "ocaml" {>= "4.08.0"}
   "omd" {= "2.0.0~alpha3"}
   "voodoo-lib"
-  "odoc"
+  "odoc" {= "2.2.0"}
   "opam-format" {>= "2.1.0~beta2"}
   "tyxml"
+  "conf-pandoc"
   "astring"
   "cmdliner"
   "yojson"
@@ -39,6 +40,6 @@ build: [
   ]
 ]
 dev-repo: "git+https://github.com/jonludlam/voodoo.git"
-depexts: [
-  ["pandoc"]
-]
+available: [ os-distribution != "alpine" & arch != "ppc64"]
+# PPC64 fails to build with stack overflow see https://github.com/ocaml/ocaml/issues/11415
+# Alpine-3.16 doesn't have a pandoc package, however 3.17 does
\ No newline at end of file
diff --git a/voodoo-gen.opam.template b/voodoo-gen.opam.template
index 80477945..80af9ef2 100644
--- a/voodoo-gen.opam.template
+++ b/voodoo-gen.opam.template
@@ -1,3 +1,3 @@
-depexts: [
-  ["pandoc"]
-]
+available: [ os-distribution != "alpine" & arch != "ppc64"]
+# PPC64 fails to build with stack overflow see https://github.com/ocaml/ocaml/issues/11415
+# Alpine-3.16 doesn't have a pandoc package, however 3.17 does
\ No newline at end of file