diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5b2ed9fa..5ba8ded6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 ## Changelog
 
+### v1.4.8 (2024-05-04)
+
+* Add support for `%` for modulo as an alternative to `mod`. Since `%` is also
+    used for percentages, the way the operator is interpreted depends on
+    context: `5 % 2` or `(348*34)%(293-1)` is parsed as modulo, whereas `5%` or
+    `5% + 3` continues to be treated as a percentage.
+* Add constants `electron_mass`, `proton_mass` and `neutron_mass`
+
 ### v1.4.7 (2024-05-04)
 
 * Add Japanese units `shaku`, `tsubo` and `tatami`
@@ -11,7 +19,7 @@
 * Fix a bug where variable serialisation could cause numbers to be negated. This
     only affected fend-wasm and fend-web but could lead to incorrect results
     when using variables across multiple calculations.
-* Add some custom TypeScript definitions to fend-wasm.
+* Add some custom TypeScript definitions to fend-wasm
 
 ### v1.4.6 (2024-03-28)
 
diff --git a/Cargo.lock b/Cargo.lock
index 9535c1f9..d23269fb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -126,7 +126,7 @@ dependencies = [
 
 [[package]]
 name = "fend"
-version = "1.4.7"
+version = "1.4.8"
 dependencies = [
  "ctrlc",
  "fend-core",
@@ -142,11 +142,11 @@ dependencies = [
 
 [[package]]
 name = "fend-core"
-version = "1.4.7"
+version = "1.4.8"
 
 [[package]]
 name = "fend-wasm"
-version = "1.4.7"
+version = "1.4.8"
 dependencies = [
  "fend-core",
  "instant",
diff --git a/Cargo.toml b/Cargo.toml
index 5cecc42f..51554fd7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ members = ["cli", "core", "wasm"]
 resolver = "2"
 
 [workspace.package]
-version = "1.4.7"
+version = "1.4.8"
 description = "Arbitrary-precision unit-aware calculator"
 edition = "2021"
 homepage = "https://github.com/printfn/fend"
@@ -13,7 +13,7 @@ categories = ["command-line-utilities", "mathematics", "science"]
 license = "MIT"
 
 [workspace.dependencies]
-fend-core = { version = "1.4.7", path = "core" }
+fend-core = { version = "1.4.8", path = "core" }
 
 [profile.release]
 lto = true