diff --git a/.github/workflows/elixir.yml b/.github/workflows/elixir.yml
index 8b64f82..264a003 100644
--- a/.github/workflows/elixir.yml
+++ b/.github/workflows/elixir.yml
@@ -12,17 +12,18 @@ jobs:
     name: Build and test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
-      - name: Setup Elixir
-        uses: actions/setup-elixir@v1
+      - name: Set up Elixir
+        id: beam
+        uses: erlef/setup-beam@v1
         with:
-          elixir-version: "1.12.1"
-          otp-version: "23.0.4"
-          experimental-otp: true
+          elixir-version: "1.18.1"
+          otp-version: "27.3.4"
+          version-type: strict
 
       - name: Restore dependencies cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: deps
           key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
@@ -35,11 +36,7 @@ jobs:
         run: mix format --check-formatted
 
       - name: Run tests
-        env:
-          MIX_ENV: test
         run: mix test
 
       - name: Run Dialyzer
-        env:
-          MIX_ENV: dev
-        run: mix dialyzer
+        run: mix dialyzer --format github
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9acaaa2..a396023 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,12 @@ adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
 
+## [2.0.1] - 2026-01-28
+
+### Fixed
+
+- Fixed Elixir 1.19 compatibility by removing regex-containing struct default for `filter_body` field. The default value is now applied at runtime via the `default_filter_body/0` function.
+
 ## [2.0.0] - 2024-04-29
 
 ### Changed
diff --git a/lib/segment/analytics/http.ex b/lib/segment/analytics/http.ex
index c3bb364..cd2cb1f 100644
--- a/lib/segment/analytics/http.ex
+++ b/lib/segment/analytics/http.ex
@@ -57,7 +57,7 @@ defmodule Segment.Analytics.HTTP do
   @spec meta_logger(Config.t()) :: Keyword.t()
   defp meta_logger(%Config{} = config) do
     [
-      filter_body: config.filter_body,
+      filter_body: config.filter_body || Config.default_filter_body(),
       filter_headers: ~w(x-api-key),
       log_level: :info,
       log_tag: __MODULE__
diff --git a/lib/segment/config.ex b/lib/segment/config.ex
index 6271fdd..ca7848d 100644
--- a/lib/segment/config.ex
+++ b/lib/segment/config.ex
@@ -21,7 +21,7 @@ defmodule Segment.Config do
     field :disable_meta_logger, boolean(), default: false
     field :drop_nil_fields, boolean(), default: false
     field :endpoint, String.t(), default: "https://api.segment.io/v1/"
-    field :filter_body, Segment.filter_body(), default: @filter_body
+    field :filter_body, Segment.filter_body()
     field :http_adapter, module(), default: Tesla.Adapter.Hackney
     field :key, String.t()
     field :max_retries, non_neg_integer(), default: 5
@@ -35,6 +35,9 @@ defmodule Segment.Config do
   @spec boolean_keys :: [atom()]
   def boolean_keys, do: @boolean_keys
 
+  @spec default_filter_body :: Segment.filter_body()
+  def default_filter_body, do: @filter_body
+
   @spec float_keys :: [atom()]
   def float_keys, do: @float_keys
 
diff --git a/mix.exs b/mix.exs
index 1c5fcac..76f6736 100644
--- a/mix.exs
+++ b/mix.exs
@@ -9,7 +9,7 @@ defmodule AnalyticsElixir.Mixfile do
       app: :segment,
       deps: deps(),
       description: "analytics_elixir",
-      elixir: "~> 1.12",
+      elixir: "~> 1.18",
       elixirc_paths: elixirc_paths(Mix.env()),
       name: "analytics_elixir",
       package: package(),
@@ -47,7 +47,7 @@ defmodule AnalyticsElixir.Mixfile do
       {:ex_doc, "~> 0.28", only: :dev, runtime: false},
 
       # Static analysis
-      {:dialyxir, "~> 1.1", only: :dev, runtime: false}
+      {:dialyxir, "~> 1.4", only: :dev, runtime: false}
     ]
   end
 
diff --git a/mix.lock b/mix.lock
index ab13190..7a8bd9e 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1,8 +1,8 @@
 %{
   "decimal": {:hex, :decimal, "2.0.0", "a78296e617b0f5dd4c6caf57c714431347912ffb1d0842e998e9792b5642d697", [:mix], [], "hexpm", "34666e9c55dea81013e77d9d87370fe6cb6291d1ef32f46a1600230b1d44f577"},
-  "dialyxir": {:hex, :dialyxir, "1.1.0", "c5aab0d6e71e5522e77beff7ba9e08f8e02bad90dfbeffae60eaf0cb47e29488", [:mix], [{:erlex, ">= 0.2.6", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "07ea8e49c45f15264ebe6d5b93799d4dd56a44036cf42d0ad9c960bc266c0b9a"},
+  "dialyxir": {:hex, :dialyxir, "1.4.7", "dda948fcee52962e4b6c5b4b16b2d8fa7d50d8645bbae8b8685c3f9ecb7f5f4d", [:mix], [{:erlex, ">= 0.2.8", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "b34527202e6eb8cee198efec110996c25c5898f43a4094df157f8d28f27d9efe"},
   "earmark_parser": {:hex, :earmark_parser, "1.4.22", "1de32345aab0d28bc208314937d2e69ff72ac6cacfdf89b1c0b75fc00283eb56", [:mix], [], "hexpm", "e10a2857c3b5333c503c7f95710c64f0beb2cfaa1d9de024513ad5242dc7cad5"},
-  "erlex": {:hex, :erlex, "0.2.6", "c7987d15e899c7a2f34f5420d2a2ea0d659682c06ac607572df55a43753aa12e", [:mix], [], "hexpm", "2ed2e25711feb44d52b17d2780eabf998452f6efda104877a3881c2f8c0c0c75"},
+  "erlex": {:hex, :erlex, "0.2.8", "cd8116f20f3c0afe376d1e8d1f0ae2452337729f68be016ea544a72f767d9c12", [:mix], [], "hexpm", "9d66ff9fedf69e49dc3fd12831e12a8a37b76f8651dd21cd45fcf5561a8a7590"},
   "ex_doc": {:hex, :ex_doc, "0.28.2", "e031c7d1a9fc40959da7bf89e2dc269ddc5de631f9bd0e326cbddf7d8085a9da", [:mix], [{:earmark_parser, "~> 1.4.19", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "51ee866993ffbd0e41c084a7677c570d0fc50cb85c6b5e76f8d936d9587fa719"},
   "makeup": {:hex, :makeup, "1.1.0", "6b67c8bc2882a6b6a445859952a602afc1a41c2e08379ca057c0f525366fc3ca", [:mix], [{:nimble_parsec, "~> 1.2.2 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "0a45ed501f4a8897f580eabf99a2e5234ea3e75a4373c8a52824f6e873be57a6"},
   "makeup_elixir": {:hex, :makeup_elixir, "0.16.0", "f8c570a0d33f8039513fbccaf7108c5d750f47d8defd44088371191b76492b0b", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.2.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "28b2cbdc13960a46ae9a8858c4bebdec3c9a6d7b4b9e7f4ed1502f8159f338e7"},