diff --git a/Cargo.lock b/Cargo.lock
index b1cc47b13e..cc18ccef07 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1644,7 +1644,7 @@ dependencies = [
 
 [[package]]
 name = "nickel-lang-cli"
-version = "1.3.0"
+version = "1.4.0"
 dependencies = [
  "clap 4.4.7",
  "clap_complete",
@@ -1662,7 +1662,7 @@ dependencies = [
 
 [[package]]
 name = "nickel-lang-core"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "ansi_term",
  "assert_matches",
@@ -1717,7 +1717,7 @@ dependencies = [
 
 [[package]]
 name = "nickel-lang-lsp"
-version = "1.3.0"
+version = "1.4.0"
 dependencies = [
  "anyhow",
  "assert_cmd",
@@ -1762,7 +1762,7 @@ dependencies = [
 
 [[package]]
 name = "nickel-wasm-repl"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "nickel-lang-core",
 ]
@@ -2108,7 +2108,7 @@ dependencies = [
 
 [[package]]
 name = "pyckel"
-version = "1.3.0"
+version = "1.4.0"
 dependencies = [
  "codespan-reporting",
  "nickel-lang-core",
@@ -3070,7 +3070,7 @@ dependencies = [
 [[package]]
 name = "tree-sitter-ocaml"
 version = "0.20.4"
-source = "git+https://github.com/tree-sitter/tree-sitter-ocaml.git#694c57718fd85d514f8b81176038e7a4cfabcaaf"
+source = "git+https://github.com/tree-sitter/tree-sitter-ocaml.git#4abfdc1c7af2c6c77a370aee974627be1c285b3b"
 dependencies = [
  "cc",
  "tree-sitter",
@@ -3097,7 +3097,7 @@ dependencies = [
 [[package]]
 name = "tree-sitter-rust"
 version = "0.20.4"
-source = "git+https://github.com/tree-sitter/tree-sitter-rust.git#48e053397b587de97790b055a1097b7c8a4ef846"
+source = "git+https://github.com/tree-sitter/tree-sitter-rust.git#79456e6080f50fc1ca7c21845794308fa5d35a51"
 dependencies = [
  "cc",
  "tree-sitter",
diff --git a/Cargo.toml b/Cargo.toml
index edb282c999..1d8f61a0d6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,7 @@ members = [
 resolver = "2"
 
 [workspace.package]
-version = "1.3.0"
+version = "1.4.0"
 authors = ["The Nickel Team <nickel-lang@protonmail.com>"]
 license = "MIT"
 edition = "2021"
@@ -21,9 +21,9 @@ homepage = "https://nickel-lang.org"
 readme = "README.md"
 
 [workspace.dependencies]
-nickel-lang-core = { version = "0.3", path = "./core", default-features = false }
-nickel-lang-utils = { version = "0.1", path = "./utils" }
-lsp-harness = { version = "0.1", path = "./lsp/lsp-harness" }
+nickel-lang-core = { version = "0.4.0", path = "./core", default-features = false }
+nickel-lang-utils = { version = "0.1.0", path = "./utils" }
+lsp-harness = { version = "0.1.0", path = "./lsp/lsp-harness" }
 
 # The wasm-bindgen version is pinned using `=` since flake.nix reads the version
 # number from Cargo.lock and needs to have matching output hashes for the source
diff --git a/RELEASES.md b/RELEASES.md
index 62adb497c4..83c4938ec8 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -1,5 +1,7 @@
-Next version (planned as 1.4)
-=============================
+Version 1.4
+===========
+
+Nickel 1.4 is a maintenance release, at the exception of a breaking change (see below).
 
 Breaking changes
 ----------------
@@ -21,6 +23,29 @@ Breaking changes
     `(.)` whenever possible, or you can just replace it with the new
     `std.record.get`.
 
+    (implemented by @yannham in https://github.com/tweag/nickel/pull/1752)
+
+Tooling
+-------
+
+* Search for imports in NICKEL_IMPORT_PATH by @jneem in https://github.com/tweag/nickel/pull/1716
+* Add a cli param --import-path to specify the search path by @jneem in https://github.com/tweag/nickel/pull/1721
+* LSP: Fix hover on assignments to subrecords by @jneem in https://github.com/tweag/nickel/pull/1725
+* Print something when nickel doc succeeds by @yannham in https://github.com/tweag/nickel/pull/1729
+* Add --error-format flag to serialize err diagnostics by @yannham in https://github.com/tweag/nickel/pull/1740
+* LSP: get record completion in arrays by @jneem in https://github.com/tweag/nickel/pull/1746
+
+Core language
+-------------
+
+* Support importing txt files as strings by @Quantum64 in https://github.com/tweag/nickel/pull/1734
+
+Fixes
+-----
+
+* `nickel format`: don't fail silently on invalid input anymore by @yannham in https://github.com/tweag/nickel/pull/1749
+* Update Topiary dependencies to correctly handle `(.)` in `nickel format` by @yannham in https://github.com/tweag/nickel/pull/1753
+
 Version 1.3
 ===========
 
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 41a5f911bf..0d8a591a54 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "nickel-lang-core"
-version = "0.3.0"
+version = "0.4.0"
 description = "Programmable configuration files."
 authors.workspace = true
 edition.workspace = true
diff --git a/wasm-repl/Cargo.toml b/wasm-repl/Cargo.toml
index e5e385a097..eda38dc32f 100644
--- a/wasm-repl/Cargo.toml
+++ b/wasm-repl/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "nickel-wasm-repl"
-version = "0.3.0"
+version = "0.4.0"
 description = "WebAssembly REPL for the Nickel programming language."
 authors.workspace = true
 edition.workspace = true