diff --git a/cmd/test.go b/cmd/test.go
index 256bedb8..4c0ac794 100644
--- a/cmd/test.go
+++ b/cmd/test.go
@@ -200,7 +200,7 @@ func opaTest(args []string) int {
 		AddCustomBuiltins(builtins.TestContextBuiltins()).
 		Filter(testParams.runRegex)
 
-	for i := 0; i < testParams.count; i++ {
+	for range testParams.count {
 		exitCode := runTests(ctx, txn, runner, testReporter(cov, modules))
 		if exitCode != 0 {
 			return exitCode
diff --git a/go.mod b/go.mod
index 2da47f94..52992cf7 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/styrainc/regal
 
-go 1.21 // any officially supported Golang version should be OK
+go 1.22
 
 toolchain go1.22.0
 
diff --git a/internal/lsp/commands/parse_test.go b/internal/lsp/commands/parse_test.go
index 13f4b84c..3a670932 100644
--- a/internal/lsp/commands/parse_test.go
+++ b/internal/lsp/commands/parse_test.go
@@ -38,8 +38,6 @@ func TestParse(t *testing.T) {
 	}
 
 	for name, tc := range testCases {
-		tc := tc
-
 		t.Run(name, func(t *testing.T) {
 			t.Parallel()
 
@@ -92,8 +90,6 @@ func TestParse_Errors(t *testing.T) {
 	}
 
 	for name, tc := range testCases {
-		tc := tc
-
 		t.Run(name, func(t *testing.T) {
 			t.Parallel()
 
diff --git a/internal/lsp/documentsymbol_test.go b/internal/lsp/documentsymbol_test.go
index c773d815..c8b1646e 100644
--- a/internal/lsp/documentsymbol_test.go
+++ b/internal/lsp/documentsymbol_test.go
@@ -70,8 +70,6 @@ func TestRefToString(t *testing.T) {
 	}
 
 	for _, tc := range cases {
-		tc := tc
-
 		t.Run(tc.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -131,8 +129,6 @@ func TestDocumentSymbols(t *testing.T) {
 	}
 
 	for _, tc := range cases {
-		tc := tc
-
 		t.Run(tc.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -219,8 +215,6 @@ func TestSimplifyType(t *testing.T) {
 	}
 
 	for _, tc := range cases {
-		tc := tc
-
 		t.Run(tc.input, func(t *testing.T) {
 			t.Parallel()
 
diff --git a/internal/lsp/uri/uri_test.go b/internal/lsp/uri/uri_test.go
index d2d843f6..ed77fc33 100644
--- a/internal/lsp/uri/uri_test.go
+++ b/internal/lsp/uri/uri_test.go
@@ -29,15 +29,13 @@ func TestPathToURI(t *testing.T) {
 	}
 
 	for label, tc := range testCases {
-		tt := tc
-
 		t.Run(label, func(t *testing.T) {
 			t.Parallel()
 
-			got := FromPath(clients.IdentifierGeneric, tt.path)
+			got := FromPath(clients.IdentifierGeneric, tc.path)
 
-			if got != tt.want {
-				t.Errorf("got %q, want %q", got, tt.want)
+			if got != tc.want {
+				t.Errorf("got %q, want %q", got, tc.want)
 			}
 		})
 	}
@@ -69,15 +67,13 @@ func TestPathToURI_VSCode(t *testing.T) {
 	}
 
 	for label, tc := range testCases {
-		tt := tc
-
 		t.Run(label, func(t *testing.T) {
 			t.Parallel()
 
-			got := FromPath(clients.IdentifierVSCode, tt.path)
+			got := FromPath(clients.IdentifierVSCode, tc.path)
 
-			if got != tt.want {
-				t.Errorf("got %q, want %q", got, tt.want)
+			if got != tc.want {
+				t.Errorf("got %q, want %q", got, tc.want)
 			}
 		})
 	}
@@ -105,14 +101,12 @@ func TestURIToPath(t *testing.T) {
 	}
 
 	for label, tc := range testCases {
-		tt := tc
-
 		t.Run(label, func(t *testing.T) {
 			t.Parallel()
 
-			got := ToPath(clients.IdentifierGeneric, tt.uri)
-			if got != tt.want {
-				t.Errorf("got %q, want %q", got, tt.want)
+			got := ToPath(clients.IdentifierGeneric, tc.uri)
+			if got != tc.want {
+				t.Errorf("got %q, want %q", got, tc.want)
 			}
 		})
 	}
@@ -157,14 +151,12 @@ func TestURIToPath_VSCode(t *testing.T) {
 	}
 
 	for label, tc := range testCases {
-		tt := tc
-
 		t.Run(label, func(t *testing.T) {
 			t.Parallel()
 
-			got := ToPath(clients.IdentifierVSCode, tt.uri)
-			if got != tt.want {
-				t.Errorf("got %q, want %q", got, tt.want)
+			got := ToPath(clients.IdentifierVSCode, tc.uri)
+			if got != tc.want {
+				t.Errorf("got %q, want %q", got, tc.want)
 			}
 		})
 	}
diff --git a/internal/novelty/holidays.go b/internal/novelty/holidays.go
index ab188769..dc6543d7 100644
--- a/internal/novelty/holidays.go
+++ b/internal/novelty/holidays.go
@@ -41,7 +41,7 @@ func HappyHolidays() error {
 	)
 	allSprites.Sprites = append(allSprites.Sprites, messageSprite)
 
-	for i := 0; i < 30; i++ {
+	for range 30 {
 		//nolint:gosec
 		flakeX := rand.Intn(width)
 		//nolint:gosec
diff --git a/pkg/config/filter_test.go b/pkg/config/filter_test.go
index b07159b3..1c7b6df4 100644
--- a/pkg/config/filter_test.go
+++ b/pkg/config/filter_test.go
@@ -86,8 +86,6 @@ func TestFilterIgnoredPaths(t *testing.T) {
 	}
 
 	for name, tc := range testCases {
-		tc := tc
-
 		t.Run(name, func(t *testing.T) {
 			t.Parallel()
 
diff --git a/pkg/fixer/fixes/fmt_test.go b/pkg/fixer/fixes/fmt_test.go
index fc5dbbe2..83ed867c 100644
--- a/pkg/fixer/fixes/fmt_test.go
+++ b/pkg/fixer/fixes/fmt_test.go
@@ -52,8 +52,6 @@ allow := true
 	}
 
 	for testName, tc := range testCases {
-		tc := tc
-
 		t.Run(testName, func(t *testing.T) {
 			t.Parallel()
 
diff --git a/pkg/fixer/fixes/nowhitespacecomment_test.go b/pkg/fixer/fixes/nowhitespacecomment_test.go
index 3a9813ea..71c457e1 100644
--- a/pkg/fixer/fixes/nowhitespacecomment_test.go
+++ b/pkg/fixer/fixes/nowhitespacecomment_test.go
@@ -125,8 +125,6 @@ func TestNoWhitespaceComment(t *testing.T) {
 	}
 
 	for testName, tc := range testCases {
-		tc := tc
-
 		nwc := NoWhitespaceComment{}
 
 		t.Run(testName, func(t *testing.T) {
diff --git a/pkg/fixer/fixes/useassignmentoperator_test.go b/pkg/fixer/fixes/useassignmentoperator_test.go
index a3a5c7d5..9a6a124d 100644
--- a/pkg/fixer/fixes/useassignmentoperator_test.go
+++ b/pkg/fixer/fixes/useassignmentoperator_test.go
@@ -147,8 +147,6 @@ allow := true
 	}
 
 	for testName, tc := range testCases {
-		tc := tc
-
 		t.Run(testName, func(t *testing.T) {
 			t.Parallel()
 
diff --git a/pkg/linter/linter_test.go b/pkg/linter/linter_test.go
index 3d852a81..4bcf0cf7 100644
--- a/pkg/linter/linter_test.go
+++ b/pkg/linter/linter_test.go
@@ -263,46 +263,45 @@ or := 1
 	}
 
 	for _, tc := range tests {
-		tt := tc
-		t.Run(tt.name, func(t *testing.T) {
+		t.Run(tc.name, func(t *testing.T) {
 			t.Parallel()
 
 			linter := NewLinter()
 
-			linter = linter.WithRootDir(tt.rootDir)
+			linter = linter.WithRootDir(tc.rootDir)
 
-			if tt.userConfig != nil {
-				linter = linter.WithUserConfig(*tt.userConfig)
+			if tc.userConfig != nil {
+				linter = linter.WithUserConfig(*tc.userConfig)
 			}
 
-			if tt.ignoreFilesFlag != nil {
-				linter = linter.WithIgnore(tt.ignoreFilesFlag)
+			if tc.ignoreFilesFlag != nil {
+				linter = linter.WithIgnore(tc.ignoreFilesFlag)
 			}
 
-			input := test.InputPolicy(tt.filename, policy)
+			input := test.InputPolicy(tc.filename, policy)
 
 			linter = linter.WithInputModules(&input)
 
 			result := testutil.Must(linter.Lint(context.Background()))(t)
 
-			if len(result.Violations) != len(tt.expViolations) {
+			if len(result.Violations) != len(tc.expViolations) {
 				t.Fatalf("expected %d violation, got %d: %v",
-					len(tt.expViolations),
+					len(tc.expViolations),
 					len(result.Violations),
 					result.Violations,
 				)
 			}
 
 			for idx, violation := range result.Violations {
-				if violation.Title != tt.expViolations[idx] {
-					t.Errorf("expected first violation to be '%s', got %s", tt.expViolations[idx], result.Violations[0].Title)
+				if violation.Title != tc.expViolations[idx] {
+					t.Errorf("expected first violation to be '%s', got %s", tc.expViolations[idx], result.Violations[0].Title)
 				}
 			}
 
-			if len(tt.expLevels) > 0 {
+			if len(tc.expLevels) > 0 {
 				for idx, violation := range result.Violations {
-					if violation.Level != tt.expLevels[idx] {
-						t.Errorf("expected first violation to be '%s', got %s", tt.expLevels[idx], result.Violations[0].Level)
+					if violation.Level != tc.expLevels[idx] {
+						t.Errorf("expected first violation to be '%s', got %s", tc.expLevels[idx], result.Violations[0].Level)
 					}
 				}
 			}
diff --git a/pkg/rules/fmt_test.go b/pkg/rules/fmt_test.go
index 88b3fd1e..25a2bb3f 100644
--- a/pkg/rules/fmt_test.go
+++ b/pkg/rules/fmt_test.go
@@ -44,8 +44,6 @@ func TestFmtRuleFail(t *testing.T) {
 	}
 
 	for name, tc := range testCases {
-		tc := tc
-
 		t.Run(name, func(t *testing.T) {
 			t.Parallel()