diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 49cb50013..4b599cc81 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -12,11 +12,6 @@ updates:
     groups:
       rust:
         patterns: ["*"]
-    ignore:
-      # These packages are currently pinned, see:
-      #     https://github.com/EnergySystemsModellingLab/MUSE2/issues/1431
-      - dependency-name: highs
-      - dependency-name: highs-sys
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
diff --git a/Cargo.lock b/Cargo.lock
index bc8bd11ae..bc9c2e03b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -150,9 +150,9 @@ dependencies = [
 
 [[package]]
 name = "bindgen"
-version = "0.71.1"
+version = "0.72.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f58bf3d7db68cfbac37cfc485a8d711e87e064c3d0fe0435b92f7a407f9d6b3"
+checksum = "993776b509cfb49c750f11b8f07a46fa23e0a1386ffc01fb1e7d343efc387895"
 dependencies = [
  "bitflags",
  "cexpr",
@@ -789,9 +789,9 @@ checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
 [[package]]
 name = "highs"
-version = "2.3.0"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d85ad4b92e0e2d0340efe7961ccadd66312b9c87ff235df9556aa52fe99bf941"
+checksum = "7dfc791427e78fdc1a0a37983f79c20f86a0b7b7dfdb5d6a57a6f72d77cd9074"
 dependencies = [
  "highs-sys",
  "log",
@@ -799,9 +799,9 @@ dependencies = [
 
 [[package]]
 name = "highs-sys"
-version = "1.12.1"
+version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c51d1e4e682c01dd882d2d0cd89b6725cd5805dd307d290aac0a37be6fe0c58"
+checksum = "e4da0c52322648e2360a5a8896d23301fa5ed99ed7607c5faf229bd0bbb30d3f"
 dependencies = [
  "bindgen",
  "cmake",
@@ -1071,7 +1071,6 @@ dependencies = [
  "fern",
  "float-cmp",
  "highs",
- "highs-sys",
  "human-panic",
  "include_dir",
  "indexmap",
diff --git a/Cargo.toml b/Cargo.toml
index eb410248f..0f6c0c7ee 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,14 +24,7 @@ fern = {version = "0.7.1", features = ["chrono", "colored"]}
 chrono = "0.4"
 clap = {version = "4.6.1", features = ["cargo", "derive"]}
 include_dir = "0.7.4"
-# Pinned because newer versions of `highs-sys` (required by newer version of `highs`) lead to
-# different results on different platforms:
-# https://github.com/EnergySystemsModellingLab/MUSE2/issues/1431
-#
-# As `highs-sys` is a transitive dependency, it can be removed from this file when we are happy to
-# unpin.
-highs = "=2.3.0"
-highs-sys = "=1.12.1"
+highs = "2.4.0"
 indexmap = "2.14.0"
 human-panic = "2.0.8"
 clap-markdown = "0.1.5"