diff --git a/liblangutil/SourceLocation.h b/liblangutil/SourceLocation.h
index 4b7122de3..eb858bd06 100644
--- a/liblangutil/SourceLocation.h
+++ b/liblangutil/SourceLocation.h
@@ -28,6 +28,7 @@
 
 #include <liblangutil/CharStream.h>
 
+#include <limits>
 #include <memory>
 #include <string>
 
diff --git a/tools/yulPhaser/AlgorithmRunner.h b/tools/yulPhaser/AlgorithmRunner.h
index 71f71bb3d..6e3804a1a 100644
--- a/tools/yulPhaser/AlgorithmRunner.h
+++ b/tools/yulPhaser/AlgorithmRunner.h
@@ -25,6 +25,7 @@
 #include <tools/yulPhaser/Population.h>
 #include <tools/yulPhaser/ProgramCache.h>
 
+#include <cstddef>
 #include <ctime>
 #include <optional>
 #include <ostream>
diff --git a/tools/yulPhaser/Chromosome.h b/tools/yulPhaser/Chromosome.h
index 96477086f..7dd0a32d9 100644
--- a/tools/yulPhaser/Chromosome.h
+++ b/tools/yulPhaser/Chromosome.h
@@ -18,6 +18,7 @@
 
 #pragma once
 
+#include <cstddef>
 #include <map>
 #include <ostream>
 #include <string>
diff --git a/tools/yulPhaser/GeneticAlgorithms.h b/tools/yulPhaser/GeneticAlgorithms.h
index 58dc83b95..936139aff 100644
--- a/tools/yulPhaser/GeneticAlgorithms.h
+++ b/tools/yulPhaser/GeneticAlgorithms.h
@@ -24,6 +24,7 @@
 #include <tools/yulPhaser/Mutations.h>
 #include <tools/yulPhaser/Population.h>
 
+#include <cstddef>
 #include <optional>
 
 namespace solidity::phaser
diff --git a/tools/yulPhaser/PairSelections.h b/tools/yulPhaser/PairSelections.h
index 2a4144bcb..2bdc62a24 100644
--- a/tools/yulPhaser/PairSelections.h
+++ b/tools/yulPhaser/PairSelections.h
@@ -23,6 +23,7 @@
 #pragma once
 
 #include <cassert>
+#include <cstddef>
 #include <tuple>
 #include <vector>
 
diff --git a/tools/yulPhaser/Phaser.h b/tools/yulPhaser/Phaser.h
index 20a47a3a5..822d638a2 100644
--- a/tools/yulPhaser/Phaser.h
+++ b/tools/yulPhaser/Phaser.h
@@ -27,6 +27,7 @@
 
 #include <boost/program_options.hpp>
 
+#include <cstddef>
 #include <istream>
 #include <memory>
 #include <optional>
diff --git a/tools/yulPhaser/Population.h b/tools/yulPhaser/Population.h
index b8cde75cc..00c3e0d30 100644
--- a/tools/yulPhaser/Population.h
+++ b/tools/yulPhaser/Population.h
@@ -23,6 +23,7 @@
 #include <tools/yulPhaser/Mutations.h>
 #include <tools/yulPhaser/SimulationRNG.h>
 
+#include <cstddef>
 #include <optional>
 #include <ostream>
 #include <vector>
diff --git a/tools/yulPhaser/Program.h b/tools/yulPhaser/Program.h
index 8eec71be2..d0eb8e197 100644
--- a/tools/yulPhaser/Program.h
+++ b/tools/yulPhaser/Program.h
@@ -23,6 +23,7 @@
 
 #include <liblangutil/Exceptions.h>
 
+#include <cstddef>
 #include <optional>
 #include <ostream>
 #include <set>
diff --git a/tools/yulPhaser/ProgramCache.h b/tools/yulPhaser/ProgramCache.h
index 4c145d537..d7eb70d63 100644
--- a/tools/yulPhaser/ProgramCache.h
+++ b/tools/yulPhaser/ProgramCache.h
@@ -22,6 +22,7 @@
 
 #include <libyul/optimiser/Metrics.h>
 
+#include <cstddef>
 #include <map>
 #include <string>
 
diff --git a/tools/yulPhaser/Selections.h b/tools/yulPhaser/Selections.h
index a643b9a22..88264e25a 100644
--- a/tools/yulPhaser/Selections.h
+++ b/tools/yulPhaser/Selections.h
@@ -23,6 +23,7 @@
 #pragma once
 
 #include <cassert>
+#include <cstddef>
 #include <vector>
 
 namespace solidity::phaser
diff --git a/tools/yulPhaser/SimulationRNG.h b/tools/yulPhaser/SimulationRNG.h
index 7e5cc1442..b36aeba24 100644
--- a/tools/yulPhaser/SimulationRNG.h
+++ b/tools/yulPhaser/SimulationRNG.h
@@ -20,6 +20,7 @@
 
 #include <boost/random/mersenne_twister.hpp>
 
+#include <cstddef>
 #include <cstdint>
 
 namespace solidity::phaser