diff --git a/.github/workflows/elixir_test.yml b/.github/workflows/elixir_test.yml
index 0bfe823c..42e9969a 100644
--- a/.github/workflows/elixir_test.yml
+++ b/.github/workflows/elixir_test.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     container:
-      image: hexpm/elixir:1.15.2-erlang-26.0.2-debian-bookworm-20230612
+      image: hexpm/elixir:1.16.0-erlang-26.2.1-debian-bookworm-20231009
 
     steps:
       - name: Install git
@@ -53,7 +53,7 @@ jobs:
         id: plt-cache
         with:
           path: priv/plts
-          key: elixir:1.15.2-erlang-26.0.2-debian-bookworm-20230612-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}-v3
+          key: elixir:1.16.0-erlang-26.2.1-debian-bookworm-20231009-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}-v3
 
       - name: Create PLTs
         if: steps.plt-cache.outputs.cache-hit != 'true'
diff --git a/.github/workflows/elixir_test_external.yml b/.github/workflows/elixir_test_external.yml
index 09b66df8..789bd39d 100644
--- a/.github/workflows/elixir_test_external.yml
+++ b/.github/workflows/elixir_test_external.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     container:
-      image: hexpm/elixir:1.15.2-erlang-26.0.2-debian-bookworm-20230612
+      image: hexpm/elixir:1.16.0-erlang-26.2.1-debian-bookworm-20231009
 
     steps:
       - name: Install git
diff --git a/.tool-versions b/.tool-versions
index 15e68952..000a611a 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,2 +1,2 @@
-elixir 1.15.2-otp-26
-erlang 26.0.2
\ No newline at end of file
+elixir 1.16.0-otp-26
+erlang 26.2.1
diff --git a/Dockerfile b/Dockerfile
index 059f1528..d181f649 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM hexpm/elixir:1.15.2-erlang-26.0.2-debian-bookworm-20230612 as builder
+FROM hexpm/elixir:1.16.0-erlang-26.2.1-debian-bookworm-20231009 as builder
 
 RUN apt-get update && \
   apt-get install bash -y
@@ -13,7 +13,7 @@ COPY . .
 # Builds an escript bin/elixir_analyzer
 RUN ./bin/build.sh
 
-FROM hexpm/elixir:1.15.2-erlang-26.0.2-debian-bookworm-20230612
+FROM hexpm/elixir:1.16.0-erlang-26.2.1-debian-bookworm-20231009
 COPY --from=builder /etc/passwd /etc/passwd
 
 COPY --from=builder /elixir-analyzer/bin /opt/analyzer/bin
diff --git a/elixir b/elixir
index 63e38a1a..8d74999e 160000
--- a/elixir
+++ b/elixir
@@ -1 +1 @@
-Subproject commit 63e38a1ab90594a9e0eda48a558a81e7f0c3d1c3
+Subproject commit 8d74999e643302cd02057e32b51168f6d60e592c
diff --git a/lib/elixir_analyzer/exercise_test/common_checks/compiler_warnings.ex b/lib/elixir_analyzer/exercise_test/common_checks/compiler_warnings.ex
index e5296a2f..d1c4d527 100644
--- a/lib/elixir_analyzer/exercise_test/common_checks/compiler_warnings.ex
+++ b/lib/elixir_analyzer/exercise_test/common_checks/compiler_warnings.ex
@@ -47,6 +47,12 @@ defmodule ElixirAnalyzer.ExerciseTest.CommonChecks.CompilerWarnings do
     [_ | after_lib] = String.split(filepath, "/lib/")
     filepath = "lib/" <> Enum.join(after_lib)
 
+    line =
+      case line do
+        {line, col} when is_integer(line) and is_integer(col) -> "#{line}:#{col}"
+        line when is_integer(line) -> "#{line}"
+      end
+
     """
     warning: #{warning}
       #{filepath}:#{line}
diff --git a/mix.exs b/mix.exs
index 14904c13..e111094b 100644
--- a/mix.exs
+++ b/mix.exs
@@ -5,7 +5,7 @@ defmodule ElixirAnalyzer.MixProject do
     [
       app: :elixir_analyzer,
       version: "0.1.0",
-      elixir: "~> 1.15",
+      elixir: "~> 1.16",
       elixirc_paths: elixirc_paths(Mix.env()),
       start_permanent: Mix.env() == :prod,
       # Turn off protocol consolidation to avoid warning in analyzed code
@@ -57,6 +57,6 @@ defmodule ElixirAnalyzer.MixProject do
   defp elixirc_paths(_), do: ["lib"]
 
   defp escript do
-    [main_module: ElixirAnalyzer.CLI]
+    [main_module: ElixirAnalyzer.CLI, strip_beams: [keep: ["ExCk"]]]
   end
 end
diff --git a/test/elixir_analyzer/test_suite/chesboard_test.exs b/test/elixir_analyzer/test_suite/chessboard_test.exs
similarity index 100%
rename from test/elixir_analyzer/test_suite/chesboard_test.exs
rename to test/elixir_analyzer/test_suite/chessboard_test.exs
diff --git a/test/elixir_analyzer_test.exs b/test/elixir_analyzer_test.exs
index 3948858a..5c8f656b 100644
--- a/test/elixir_analyzer_test.exs
+++ b/test/elixir_analyzer_test.exs
@@ -109,8 +109,8 @@ defmodule ElixirAnalyzerTest do
                      %{
                        "comment" => "elixir.general.parsing_error",
                        "params" => %{
-                         "error" => "missing terminator: end (for \"do\" starting at line 1)",
-                         "line" => 14
+                         "error" => "missing terminator: end",
+                         "line" => 1
                        },
                        "type" => "essential"
                      }
@@ -290,7 +290,7 @@ defmodule ElixirAnalyzerTest do
               "comment" => "elixir.solution.compiler_warnings",
               "params" => %{
                 "warnings" =>
-                  "warning: Behaviour.defcallback/1 is deprecated. Use the @callback module attribute instead\n  lib/lasagna.ex:4\n\nwarning: HashDict.new/0 is deprecated. Use maps and the Map module instead\n  lib/lasagna.ex:7\n\nwarning: HashSet.member?/2 is deprecated. Use the MapSet module instead\n  lib/lasagna.ex:12\n\nwarning: HashSet.new/0 is deprecated. Use the MapSet module instead\n  lib/lasagna.ex:12\n\n"
+                  "warning: Behaviour.defcallback/1 is deprecated. Use the @callback module attribute instead\n  lib/lasagna.ex:4:13\n\nwarning: HashDict.new/0 is deprecated. Use maps and the Map module instead\n  lib/lasagna.ex:7:14\n\nwarning: HashSet.member?/2 is deprecated. Use the MapSet module instead\n  lib/lasagna.ex:12:13\n\nwarning: HashSet.new/0 is deprecated. Use the MapSet module instead\n  lib/lasagna.ex:12:29\n\n"
               },
               "type" => "actionable"
             },
diff --git a/test/support/exercise_test_case.ex b/test/support/exercise_test_case.ex
index 37e053a1..f0f0582e 100644
--- a/test/support/exercise_test_case.ex
+++ b/test/support/exercise_test_case.ex
@@ -85,8 +85,17 @@ defmodule ElixirAnalyzer.ExerciseTestCase do
 
       {line, code} =
         case code do
-          {_, [line: line], _} -> {line, Macro.to_string(code)}
-          _ -> {__CALLER__.line, code}
+          {:sigil_S, opts, [{:<<>>, _, [inner_code]}, []]} when is_bitstring(inner_code) ->
+            {Keyword.get(opts, :line), inner_code}
+
+          {_, opts, _} ->
+            {Keyword.get(opts, :line), Macro.to_string(code)}
+
+          code when is_bitstring(code) ->
+            {__CALLER__.line, code}
+
+          code ->
+            {__CALLER__.line, Macro.to_string(code)}
         end
 
       quote line: line do
diff --git a/test_data/lasagna/deprecated_modules/expected_analysis.json b/test_data/lasagna/deprecated_modules/expected_analysis.json
index 533d7368..ce50ddb9 100644
--- a/test_data/lasagna/deprecated_modules/expected_analysis.json
+++ b/test_data/lasagna/deprecated_modules/expected_analysis.json
@@ -1 +1 @@
-{"comments":[{"comment":"elixir.solution.compiler_warnings","params":{"warnings":"warning: Behaviour.defcallback/1 is deprecated. Use the @callback module attribute instead\n  lib/lasagna.ex:4\n\nwarning: HashDict.new/0 is deprecated. Use maps and the Map module instead\n  lib/lasagna.ex:7\n\nwarning: HashSet.member?/2 is deprecated. Use the MapSet module instead\n  lib/lasagna.ex:12\n\nwarning: HashSet.new/0 is deprecated. Use the MapSet module instead\n  lib/lasagna.ex:12\n\n"},"type":"actionable"},{"comment":"elixir.general.feedback_request","type":"informative"}],"summary":"Check the comments for some suggestions. 📣"}
+{"comments":[{"comment":"elixir.solution.compiler_warnings","params":{"warnings":"warning: Behaviour.defcallback/1 is deprecated. Use the @callback module attribute instead\n  lib/lasagna.ex:4:13\n\nwarning: HashDict.new/0 is deprecated. Use maps and the Map module instead\n  lib/lasagna.ex:7:14\n\nwarning: HashSet.member?/2 is deprecated. Use the MapSet module instead\n  lib/lasagna.ex:12:13\n\nwarning: HashSet.new/0 is deprecated. Use the MapSet module instead\n  lib/lasagna.ex:12:29\n\n"},"type":"actionable"},{"comment":"elixir.general.feedback_request","type":"informative"}],"summary":"Check the comments for some suggestions. 📣"}
diff --git a/test_data/two_fer/error_solution/expected_analysis.json b/test_data/two_fer/error_solution/expected_analysis.json
index 78c75b51..da7dc966 100644
--- a/test_data/two_fer/error_solution/expected_analysis.json
+++ b/test_data/two_fer/error_solution/expected_analysis.json
@@ -1 +1 @@
-{"comments":[{"comment":"elixir.general.parsing_error","params":{"error":"missing terminator: end (for \"do\" starting at line 1)","line":14},"type":"essential"}],"summary":"Check the comments for things to fix. 🛠"}
\ No newline at end of file
+{"comments":[{"comment":"elixir.general.parsing_error","params":{"error":"missing terminator: end","line":1},"type":"essential"}],"summary":"Check the comments for things to fix. 🛠"}