diff --git a/scripts/cargo-for-all-lock-files.sh b/scripts/cargo-for-all-lock-files.sh
new file mode 100755
index 00000000..6aefae12
--- /dev/null
+++ b/scripts/cargo-for-all-lock-files.sh
@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+
+here="$(dirname "$0")"
+cargo="$(readlink -f "${here}/../cargo")"
+
+set -e
+
+shifted_args=()
+while [[ -n $1 ]]; do
+  if [[ $1 = -- ]]; then
+    escape_marker=found
+    shift
+    break
+  elif [[ $1 = "--ignore-exit-code" ]]; then
+    ignore=1
+    shift
+  else
+    shifted_args+=("$1")
+    shift
+  fi
+done
+
+# When "--" appear at the first and shifted_args is empty, consume it here
+# to unambiguously pass and use any other "--" for cargo
+if [[ -n $escape_marker && ${#shifted_args[@]} -gt 0 ]]; then
+  files="${shifted_args[*]}"
+  for file in $files; do
+    if [[ $file = "${file%Cargo.lock}" ]]; then
+      echo "$0: unrecognizable as Cargo.lock path (prepend \"--\"?): $file" >&2
+      exit 1
+    fi
+  done
+  shifted_args=()
+else
+  files="$(git ls-files :**Cargo.lock)"
+fi
+
+for lock_file in $files; do
+  if [[ -n $CI ]]; then
+    echo "--- [$lock_file]: cargo " "${shifted_args[@]}" "$@"
+  fi
+
+  if (set -x && cd "$(dirname "$lock_file")" && cargo "${shifted_args[@]}" "$@"); then
+    # noop
+    true
+  else
+    failed_exit_code=$?
+    if [[ -n $ignore ]]; then
+      echo "$0: WARN: ignoring last cargo command failed exit code as requested:" $failed_exit_code
+      true
+    else
+      exit $failed_exit_code
+    fi
+  fi
+done
diff --git a/scripts/increment-cargo-version.sh b/scripts/increment-cargo-version.sh
new file mode 100755
index 00000000..92889baf
--- /dev/null
+++ b/scripts/increment-cargo-version.sh
@@ -0,0 +1,155 @@
+#!/usr/bin/env bash
+set -e
+
+usage() {
+  cat <<EOF
+usage: $0 [major|minor|patch|-preXYZ]
+
+Increments the Cargo.toml version.
+
+Default:
+* Removes the prerelease tag if present, otherwise the minor version is incremented.
+EOF
+  exit 0
+}
+
+here="$(dirname "$0")"
+cd "$here"/..
+source scripts/semver.sh
+source scripts/read-cargo-variable.sh
+
+ignores=(
+  .cache
+  .cargo
+  target
+  web3.js/examples
+  node_modules
+)
+
+not_paths=()
+for ignore in "${ignores[@]}"; do
+  not_paths+=(-not -path "*/$ignore/*")
+done
+
+# shellcheck disable=2207
+Cargo_tomls=($(find . -mindepth 2 -name Cargo.toml "${not_paths[@]}"))
+# shellcheck disable=2207
+markdownFiles=($(find . -name "*.md" "${not_paths[@]}"))
+
+# Collect the name of all the internal crates
+crates=()
+for Cargo_toml in "${Cargo_tomls[@]}"; do
+  crates+=("$(readCargoVariable name "$Cargo_toml")")
+done
+
+# Read the current version
+MAJOR=0
+MINOR=0
+PATCH=0
+SPECIAL=""
+
+semverParseInto "$(readCargoVariable version "${Cargo_tomls[0]}")" MAJOR MINOR PATCH SPECIAL
+[[ -n $MAJOR ]] || usage
+
+currentVersion="$MAJOR\.$MINOR\.$PATCH$SPECIAL"
+
+bump=$1
+if [[ -z $bump ]]; then
+  if [[ -n $SPECIAL ]]; then
+    bump=dropspecial # Remove prerelease tag
+  else
+    bump=minor
+  fi
+fi
+SPECIAL=""
+
+# Figure out what to increment
+case $bump in
+patch)
+  PATCH=$((PATCH + 1))
+  ;;
+major)
+  MAJOR=$((MAJOR+ 1))
+  MINOR=0
+  PATCH=0
+  ;;
+minor)
+  MINOR=$((MINOR+ 1))
+  PATCH=0
+  ;;
+dropspecial)
+  ;;
+check)
+  badTomls=()
+  for Cargo_toml in "${Cargo_tomls[@]}"; do
+    if ! grep "^version *= *\"$currentVersion\"$" "$Cargo_toml" &>/dev/null; then
+      badTomls+=("$Cargo_toml")
+    fi
+  done
+  if [[ ${#badTomls[@]} -ne 0 ]]; then
+    echo "Error: Incorrect crate version specified in: ${badTomls[*]}"
+    exit 1
+  fi
+  exit 0
+  ;;
+-*)
+  if [[ $1 =~ ^-[A-Za-z0-9]*$ ]]; then
+    SPECIAL="$1"
+  else
+    echo "Error: Unsupported characters found in $1"
+    exit 1
+  fi
+  ;;
+*)
+  echo "Error: unknown argument: $1"
+  usage
+  ;;
+esac
+
+# Version bumps should occur in their own commit. Disallow bumping version
+# in dirty working trees. Gate after arg parsing to prevent breaking the
+# `check` subcommand.
+(
+  set +e
+  if ! git diff --exit-code; then
+    echo -e "\nError: Working tree is dirty. Commit or discard changes before bumping version." 1>&2
+    exit 1
+  fi
+)
+
+newVersion="$MAJOR.$MINOR.$PATCH$SPECIAL"
+
+# Update all the Cargo.toml files
+for Cargo_toml in "${Cargo_tomls[@]}"; do
+  # Set new crate version
+  (
+    set -x
+    sed -i "$Cargo_toml" -e "0,/^version =/{s/^version = \"[^\"]*\"$/version = \"$newVersion\"/}"
+  )
+
+  # Fix up the version references to other internal crates
+  for crate in "${crates[@]}"; do
+    (
+      set -x
+      sed -i "$Cargo_toml" -e "
+        s/^$crate = { *path *= *\"\([^\"]*\)\" *, *version *= *\"[^\"]*\"\(.*\)} *\$/$crate = \{ path = \"\1\", version = \"=$newVersion\"\2\}/
+      "
+    )
+  done
+done
+
+# Update all the documentation references
+for file in "${markdownFiles[@]}"; do
+  # Set new crate version
+  (
+    set -x
+    sed -i "$file" -e "s/$currentVersion/$newVersion/g"
+  )
+done
+
+# Update cargo lock files
+scripts/cargo-for-all-lock-files.sh tree
+
+echo "$currentVersion -> $newVersion"
+
+exit 0
diff --git a/scripts/read-cargo-variable.sh b/scripts/read-cargo-variable.sh
new file mode 100644
index 00000000..7f6c9518
--- /dev/null
+++ b/scripts/read-cargo-variable.sh
@@ -0,0 +1,14 @@
+# source this file
+
+readCargoVariable() {
+  declare variable="$1"
+  declare Cargo_toml="$2"
+
+  while read -r name equals value _; do
+    if [[ $name = "$variable" && $equals = = ]]; then
+      echo "${value//\"/}"
+      return
+    fi
+  done < <(cat "$Cargo_toml")
+  echo "Unable to locate $variable in $Cargo_toml" 1>&2
+}
diff --git a/scripts/semver.sh b/scripts/semver.sh
new file mode 100755
index 00000000..e5237a4e
--- /dev/null
+++ b/scripts/semver.sh
@@ -0,0 +1,130 @@
+#!/usr/bin/env sh
+
+function semverParseInto() {
+    local RE='[^0-9]*\([0-9]*\)[.]\([0-9]*\)[.]\([0-9]*\)\([0-9A-Za-z-]*\)'
+    #MAJOR
+    eval $2=`echo $1 | sed -e "s#$RE#\1#"`
+    #MINOR
+    eval $3=`echo $1 | sed -e "s#$RE#\2#"`
+    #MINOR
+    eval $4=`echo $1 | sed -e "s#$RE#\3#"`
+    #SPECIAL
+    eval $5=`echo $1 | sed -e "s#$RE#\4#"`
+}
+
+function semverEQ() {
+    local MAJOR_A=0
+    local MINOR_A=0
+    local PATCH_A=0
+    local SPECIAL_A=0
+
+    local MAJOR_B=0
+    local MINOR_B=0
+    local PATCH_B=0
+    local SPECIAL_B=0
+
+    semverParseInto $1 MAJOR_A MINOR_A PATCH_A SPECIAL_A
+    semverParseInto $2 MAJOR_B MINOR_B PATCH_B SPECIAL_B
+
+    if [ $MAJOR_A -ne $MAJOR_B ]; then
+        return 1
+    fi
+
+    if [ $MINOR_A -ne $MINOR_B ]; then
+        return 1
+    fi
+
+    if [ $PATCH_A -ne $PATCH_B ]; then
+        return 1
+    fi
+
+    if [[ "_$SPECIAL_A" != "_$SPECIAL_B" ]]; then
+        return 1
+    fi
+
+
+    return 0
+
+}
+
+function semverLT() {
+    local MAJOR_A=0
+    local MINOR_A=0
+    local PATCH_A=0
+    local SPECIAL_A=0
+
+    local MAJOR_B=0
+    local MINOR_B=0
+    local PATCH_B=0
+    local SPECIAL_B=0
+
+    semverParseInto $1 MAJOR_A MINOR_A PATCH_A SPECIAL_A
+    semverParseInto $2 MAJOR_B MINOR_B PATCH_B SPECIAL_B
+
+    if [ $MAJOR_A -lt $MAJOR_B ]; then
+        return 0
+    fi
+
+    if [[ $MAJOR_A -le $MAJOR_B  && $MINOR_A -lt $MINOR_B ]]; then
+        return 0
+    fi
+    
+    if [[ $MAJOR_A -le $MAJOR_B  && $MINOR_A -le $MINOR_B && $PATCH_A -lt $PATCH_B ]]; then
+        return 0
+    fi
+
+    if [[ "_$SPECIAL_A"  == "_" ]] && [[ "_$SPECIAL_B"  == "_" ]] ; then
+        return 1
+    fi
+    if [[ "_$SPECIAL_A"  == "_" ]] && [[ "_$SPECIAL_B"  != "_" ]] ; then
+        return 1
+    fi
+    if [[ "_$SPECIAL_A"  != "_" ]] && [[ "_$SPECIAL_B"  == "_" ]] ; then
+        return 0
+    fi
+
+    if [[ "_$SPECIAL_A" < "_$SPECIAL_B" ]]; then
+        return 0
+    fi
+
+    return 1
+
+}
+
+function semverGT() {
+    semverEQ $1 $2
+    local EQ=$?
+
+    semverLT $1 $2
+    local LT=$?
+
+    if [ $EQ -ne 0 ] && [ $LT -ne 0 ]; then
+        return 0
+    else
+        return 1
+    fi
+}
+
+if [ "___semver.sh" == "___`basename $0`" ]; then
+
+MAJOR=0
+MINOR=0
+PATCH=0
+SPECIAL=""
+
+semverParseInto $1 MAJOR MINOR PATCH SPECIAL
+echo "$1 -> M: $MAJOR m:$MINOR p:$PATCH s:$SPECIAL"
+
+semverParseInto $2 MAJOR MINOR PATCH SPECIAL
+echo "$2 -> M: $MAJOR m:$MINOR p:$PATCH s:$SPECIAL"
+
+semverEQ $1 $2
+echo "$1 == $2 -> $?."
+
+semverLT $1 $2
+echo "$1 < $2 -> $?."
+
+semverGT $1 $2
+echo "$1 > $2 -> $?."
+
+fi