diff --git a/.gitleaks.toml b/.gitleaks.toml
deleted file mode 100644
index b66bdee..0000000
--- a/.gitleaks.toml
+++ /dev/null
@@ -1,12 +0,0 @@
-[extend]
-    useDefault = true
-
-[allowlist]
-    description = "Allowlist false positives"
-    regexTarget = "match"
-    regexes = [
-        # Mark CDP build secret_version as false positive since it does not contain a secret.
-        '''(?i)(?:secret_version:)(?:['|\"|\s]{0,5})([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})(?:['|\"|\n|\r|\s]{0,5}|$)''',
-        # Mark api-id or api_id or x-api-id as false positive since they are uuids that are used in OAS and stacksets to track apis.
-        '''(?i)(?:api[_-]id(?:['|\"|\s|:]{0,5}))(?:['|\"|\s]{0,5})([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})(?:['|\"|\n|\r|\s]{0,5}|$)'''
-    ]
diff --git a/.golangci.yaml b/.golangci.yaml
deleted file mode 100644
index 970bbcd..0000000
--- a/.golangci.yaml
+++ /dev/null
@@ -1,201 +0,0 @@
-run:
-  # Timeout for analysis, e.g. 30s, 5m.
-  # Default: 1m
-  timeout: 3m
-
-linters: {}
-  # Placeholder for dynamically enabled linters.
-
-issues:
-  # Maximum count of issues with the same text.
-  # Set to 0 to disable.
-  # Default: 3 (we recommend 10-20)
-  max-same-issues: 10
-
-  # Use default exclusions for common false positives as defined in
-  # https://golangci-lint.run/usage/false-positives/#default-exclusions
-  # Default: true (we use false to sync behavior with Codacy)
-  exclude-use-default: false
-
-  # Defining manually exclusions that make sense.
-  exclude-rules:
-    # Exclude go:generate directives from line length checking.
-    - source: "^//\\s*go:generate\\s"
-      linters: [ lll, revive ]
-    # Exclude magic number in time setups and bit shifting.
-    - source: "[0-9]+ ?\\* ?time\\.|(<<|>>) ?[0-9]+|[0-9]+ ?(<<|>>)"
-      linters: [ gomnd ]
-    # Exclude certain standards from being applied in test.
-    - path: "_test\\.go"
-      linters: [ bodyclose, contextcheck, dupl, funlen, goconst, gosec, noctx,
-        goerr113, wrapcheck ]
-
-    # Exclude error return value check because of too many false positives.
-    - text: 'Error return value of .((os\.)?std(out|err)\..*|.*Close|.*Flush|os\.Remove(All)?|.*print(f|ln)?|os\.(Un)?Setenv). is not checked'
-      linters: [ errcheck ]
-    # Exclude certain revive standards from being applied in tests.
-    - path: "_test\\.go"
-      text: "^(max-public-structs|function-length|cognitive-complexity):"
-      linters: [ revive ]
-    # Exclude dots in unfinished thoughts.
-    - source: "(noinspection|TODO)"
-      linters: [ godot ]
-
-
-# This contains only configs which differ from defaults. For other configs see
-# https://github.com/golangci/golangci-lint/blob/master/.golangci.reference.yml
-linters-settings:
-  cyclop:
-    # The maximal code complexity to report.
-    # Default: 10 (we allow up to 20)
-    max-complexity: 20
-    # The maximal average package complexity.
-    # If it's higher than 0.0 (float) the check is enabled
-    # Default: 0.0 (we recommend 10.0 as baseline)
-    package-average: 10.0
-
-  gocognit:
-    # Minimal code complexity to report.
-    # Default: 30 (we recommend 10-20)
-    min-complexity: 20
-
-  lll:
-    # Max line length, lines longer will be reported. '\t' is counted as 1
-    # character by default, and can be changed with the tab-width option.
-    # Default: 120 (we recommend 80 but compromise at 100)
-    line-length: 100
-    # Tab width in spaces.
-    # Default: 1 (go uses 4 for visualization)
-    tab-width: 4
-
-  nolintlint:
-    # Exclude following linters from requiring an explanation.
-    # Default: [] (but some lll does not need explanation)
-    allow-no-explanation: [ lll, wrapcheck ]
-    # Enable to require an explanation of nonzero length after each nolint
-    # directive.
-    # Default: false
-    require-explanation: true
-    # Enable to require nolint directives to mention the specific linter being
-    # suppressed.
-    # Default: false
-    require-specific: true
-
-  govet:
-    # Enable all analyzers.
-    # Default: false
-    enable-all: true
-    # Disable analyzers by name.
-    # Run `go tool vet help` to see all analyzers.
-    # Default: []
-    disable:
-      - fieldalignment # too strict
-      - shadow # too strict to always work around
-
-  gosec:
-    # To specify a set of rules to explicitly exclude.
-    # Available rules: https://github.com/securego/gosec#available-rules
-    # Default: [] (issues are fixed)
-    excludes: [ G307 ]
-
-  gocritic:
-    # Settings passed to gocritic. The settings key is the name of a supported
-    # gocritic checker. The list of supported checkers can be find in
-    # https://go-critic.github.io/overview.
-    settings:
-      captLocal:
-        # Whether to restrict checker to params only.
-        # Default: true
-        paramsOnly: false
-      underef:
-        # Whether to skip (*x).method() calls where x is a pointer receiver.
-        # Default: true
-        skipRecvDeref: false
-
-  tenv:
-    # The option `all` will run the linter on the whole test files regardless
-    # of method signatures. Otherwise, only methods that take `*testing.T`,
-    # `*testing.B`, and `testing.TB` as arguments are checked.
-    # Default: false
-    all: true
-
-  revive:
-    # Enable all available rules.
-    # Default: false
-    enable-all-rules: true
-    # When set to false, ignores files with "GENERATED" header, similar to golint.
-    # See https://github.com/mgechev/revive#available-rules for details.
-    # Default: false
-    ignore-generated-header: true
-    # Sets the default severity.
-    # See https://github.com/mgechev/revive#configuration
-    # Default: warning
-    severity: error
-
-    rules:
-      # No need to enforce a file header.
-      - name: file-header
-        disabled: true
-      # Reports on each file in a package.
-      - name: package-comments
-        disabled: true
-      # Reports on comments not matching the name as first word.
-      - name: exported
-        disabled: true
-      # Ident error flow is buggy and throws false alerts.
-      - name: indent-error-flow
-        disabled: true
-      # No need to exclude import shadowing.
-      - name: import-shadowing
-        disabled: true
-      # Restricted alias naming conflicts with '.'-imports.
-      - name: import-alias-naming
-        disabled: true
-      # Exluding '.'-import makes test package separation unnecessary difficult.
-      - name: dot-imports
-        disabled: true
-      # Fails to exclude nolint directives from reporting.
-      - name: comment-spacings
-        disabled: true
-      # Fails to disable writers that actually cannot return errors.
-      - name: unhandled-error
-        disabled: true
-      # Fails to detect and exclude type safe usages of type assertions.
-      - name: unchecked-type-assertion
-        disabled: true
-      # Fails to restrict sufficiently in switches with numeric values.
-      - name: add-constant
-        disabled: true
-      # Rule prevents intentional usage of similar variable names.
-      - name: flag-parameter
-        disabled: true
-      # Rule prevents intentional usage of similar private method names.
-      - name: confusing-naming
-        disabled: true
-
-      # Enables a more experienced cyclomatic complexity (we enabled a lot of
-      # rules to counter-act the complexity trap).
-      - name: cyclomatic
-        arguments: [20]
-      # Enables a more experienced cognitive complexity (we enabled a lot of
-      # rules to counter-act the complexity trap).
-      - name: cognitive-complexity
-        arguments: [20]
-      # Limit line-length to increase readability.
-      - name: line-length-limit
-        arguments: [100]
-      # We are a bit more relaxed with function length consistent with funlen.
-      - name: function-length
-        arguments: [40, 60]
-      # Limit arguments of functions to the maximum understandable value.
-      - name: argument-limit
-        arguments: [6]
-      # Limit results of functions to the maximum understandable value.
-      - name: function-result-limit
-        arguments: [4]
-      # Raise the limit a bit to allow more complex package models.
-      - name: max-public-structs
-        arguments: [8]
-      # I do not know what I'm doing here...
-      - name: banned-characters
-        arguments: ["Ω", "Σ", "σ"]
diff --git a/Makefile b/Makefile
index 2a7c29a..24c2f44 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,5 @@
 SHELL := /bin/bash
 
-GOBIN ?= $(shell go env GOPATH)/bin
-GOMAKE ?= github.com/tkrop/go-make@latest
-TARGETS := $(shell command -v go-make >/dev/null || \
-	go install $(GOMAKE) && go-make targets)
-
-
 # Include custom variables to modify behavior.
 ifneq ("$(wildcard Makefile.vars)","")
 	include Makefile.vars
@@ -13,20 +7,15 @@ else
 	$(warning warning: please customize variables in Makefile.vars)
 endif
 
+GOBIN ?= $(shell go env GOPATH)/bin
+GOMAKE ?= github.com/tkrop/go-make@v0.0.11
+TARGETS := $(shell command -v go-make >/dev/null || \
+	go install $(GOMAKE) && go-make targets)
 
-# Include standard targets from go-make providing group targets as well as
-# single target targets. The group target is used to delegate the remaining
-# request targets, while the single target can be used to define the
-# precondition of custom target.
-.PHONY: $(TARGETS) $(addprefix target/,$(TARGETS))
-$(eval $(lastwords $(MAKECMDGOALS)):;@:)
-$(firstword $(MAKECMDGOALS)):
-	$(GOBIN)/go-make $(MAKEFLAGS) $(MAKECMDGOALS);
-$(addprefix target/,$(TARGETS)): target/%:
-	$(GOBIN)/go-make $(MAKEFLAGS) $*;
-
+# Declare all targets phony to make them available for auto-completion.
+.PHONY: $(TARGETS)
 
-# Include custom targets to extend scripts.
-ifneq ("$(wildcard Makefile.ext)","")
-	include Makefile.ext
-endif
+# Delegate all targets to go-make in one call.
+# TODO: consider solution that does not delegate local goals.
+$(firstword $(MAKECMDGOALS) all)::
+	$(GOBIN)/go-make $(MAKEFLAGS) $(MAKECMDGOALS);
diff --git a/VERSION b/VERSION
new file mode 100644
index 0000000..8acdd82
--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+0.0.1
diff --git a/go.mod b/go.mod
index 3c86ae9..eda7192 100644
--- a/go.mod
+++ b/go.mod
@@ -2,14 +2,14 @@ module github.com/tkrop/go-testing
 
 go 1.21
 
-toolchain go1.21.0
+toolchain go1.21.5
 
 require (
 	github.com/golang/mock v1.6.0
 	github.com/h2non/gock v1.2.0
 	github.com/huandu/go-clone v1.6.0
 	github.com/stretchr/testify v1.8.4
-	golang.org/x/exp v0.0.0-20231206192017-f3f8817b8deb
+	golang.org/x/exp v0.0.0-20231219180239-dc181d75b848
 	golang.org/x/text v0.13.0
 	golang.org/x/tools v0.16.1
 )
diff --git a/go.sum b/go.sum
index c6e461d..ac43f78 100644
--- a/go.sum
+++ b/go.sum
@@ -33,8 +33,8 @@ github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXl
 github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/exp v0.0.0-20231206192017-f3f8817b8deb h1:c0vyKkb6yr3KR7jEfJaOSv4lG7xPkbN6r52aJz1d8a8=
-golang.org/x/exp v0.0.0-20231206192017-f3f8817b8deb/go.mod h1:iRJReGqOEeBhDZGkGbynYwcHlctCvnjTYIamk7uXpHI=
+golang.org/x/exp v0.0.0-20231219180239-dc181d75b848 h1:+iq7lrkxmFNBM7xx+Rae2W6uyPfhPeDWD+n+JgppptE=
+golang.org/x/exp v0.0.0-20231219180239-dc181d75b848/go.mod h1:iRJReGqOEeBhDZGkGbynYwcHlctCvnjTYIamk7uXpHI=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.14.0 h1:dGoOF9QVLYng8IHTm7BAyWqCqSheQ5pYWGhzW00YJr0=
 golang.org/x/mod v0.14.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=