diff --git a/.ocamlformat b/.ocamlformat
index f538edb1..7f58a2a5 100644
--- a/.ocamlformat
+++ b/.ocamlformat
@@ -4,7 +4,7 @@ exp-grouping = preserve
 break-fun-decl = fit-or-vertical
 wrap-comments
 parse-docstrings
-version=0.21.0
+version=0.26.0
 cases-exp-indent=2
 indicate-multiline-delimiters=no
 parens-tuple=multi-line-only
diff --git a/catala.opam b/catala.opam
index 188e1047..0ff764f1 100644
--- a/catala.opam
+++ b/catala.opam
@@ -43,7 +43,7 @@ depends: [
   "crunch" {>= "3.0.0"}
   "alcotest" {>= "1.5.0"}
   "odoc" {with-doc}
-  "ocamlformat" {cataladevmode & = "0.21.0"}
+  "ocamlformat" {cataladevmode & = "0.26.0"}
   "obelisk" {cataladevmode}
   "conf-npm" {cataladevmode}
   "conf-python-3-dev" {cataladevmode}
diff --git a/doc/catala-dev-dependencies.opam b/doc/catala-dev-dependencies.opam
deleted file mode 100644
index 70799447..00000000
--- a/doc/catala-dev-dependencies.opam
+++ /dev/null
@@ -1,20 +0,0 @@
-opam-version: "2.0"
-version: "0.8.0"
-synopsis: "Virtual package listing the requirements for a complete Catala dev environment"
-maintainer: ["contact@catala-lang.org"]
-authors: [
-  "Denis Merigoux"
-  "Nicolas Chataing"
-  "Emile Rolley"
-  "Louis Gesbert"
-  "Aymeric Fromherz"
-  "Alain Delaët-Tixeuil"
-]
-license: "Apache-2.0"
-homepage: "https://github.com/CatalaLang/catala"
-bug-reports: "https://github.com/CatalaLang/catala/issues"
-depends: [
-  "ocamlformat" {= "0.21.0"}
-  "obelisk"
-  "conf-npm"
-]
diff --git a/flake.nix b/flake.nix
index 4ad97602..d351d94f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -24,7 +24,7 @@
             buildInputs = [
               pkgs.inotify-tools
               ocamlPackages.merlin
-              pkgs.ocamlformat_0_21_0
+              pkgs.ocamlformat_0_26_0
               ocamlPackages.ocp-indent
               ocamlPackages.utop
               ocamlPackages.odoc