diff --git a/collects/datalog/tests/ast.rkt b/collects/datalog/tests/ast.rkt
index 46b1361386..e586947c00 100644
--- a/collects/datalog/tests/ast.rkt
+++ b/collects/datalog/tests/ast.rkt
@@ -1,5 +1,5 @@
 #lang racket
-(require racketunit
+(require rackunit
          "../ast.rkt")
 
 (provide ast-tests)
diff --git a/collects/datalog/tests/eval.rkt b/collects/datalog/tests/eval.rkt
index 706eddc0cc..6caa151cb1 100644
--- a/collects/datalog/tests/eval.rkt
+++ b/collects/datalog/tests/eval.rkt
@@ -1,5 +1,5 @@
 #lang racket
-(require racketunit
+(require rackunit
          racket/runtime-path
          "../parse.rkt"
          "../eval.rkt")
diff --git a/collects/datalog/tests/examples/tutorial.rkt b/collects/datalog/tests/examples/tutorial.rkt
index 12f79c5c82..5981f22c80 100644
--- a/collects/datalog/tests/examples/tutorial.rkt
+++ b/collects/datalog/tests/examples/tutorial.rkt
@@ -1,4 +1,4 @@
-#lang palsdatalog
+#lang datalog
 
 parent(john,douglas).
 parent(john,douglas)?
diff --git a/collects/datalog/tests/main.rkt b/collects/datalog/tests/main.rkt
index 1d782574c6..739863082c 100644
--- a/collects/datalog/tests/main.rkt
+++ b/collects/datalog/tests/main.rkt
@@ -1,6 +1,6 @@
 #lang racket
-(require racketunit
-         racketunit/text-ui
+(require rackunit
+         rackunit/text-ui
          "ast.rkt"
          
          "private/lex.rkt"
diff --git a/collects/datalog/tests/parse.rkt b/collects/datalog/tests/parse.rkt
index dd05630b8c..ff54659cdd 100644
--- a/collects/datalog/tests/parse.rkt
+++ b/collects/datalog/tests/parse.rkt
@@ -1,5 +1,5 @@
 #lang racket
-(require racketunit
+(require rackunit
          "../ast.rkt"
          "util.rkt"
          "../parse.rkt")
diff --git a/collects/datalog/tests/pretty.rkt b/collects/datalog/tests/pretty.rkt
index ff3a053f1f..8a3c388eec 100644
--- a/collects/datalog/tests/pretty.rkt
+++ b/collects/datalog/tests/pretty.rkt
@@ -1,5 +1,5 @@
 #lang racket
-(require racketunit
+(require rackunit
          (planet dherman/pprint:4)
          "../parse.rkt"
          "../pretty.rkt")
diff --git a/collects/datalog/tests/private/compiler.rkt b/collects/datalog/tests/private/compiler.rkt
index 052e616568..5de4a22886 100644
--- a/collects/datalog/tests/private/compiler.rkt
+++ b/collects/datalog/tests/private/compiler.rkt
@@ -1,5 +1,5 @@
 #lang racket
-(require racketunit
+(require rackunit
          (for-template "../../eval.rkt")
          "../../parse.rkt"
          "../../private/compiler.rkt")
diff --git a/collects/datalog/tests/private/env.rkt b/collects/datalog/tests/private/env.rkt
index 8a86e50faf..768ea05c4b 100644
--- a/collects/datalog/tests/private/env.rkt
+++ b/collects/datalog/tests/private/env.rkt
@@ -1,5 +1,5 @@
 #lang racket
-(require racketunit
+(require rackunit
          "../../ast.rkt"
          "../../private/env.rkt")
 
diff --git a/collects/datalog/tests/private/lex.rkt b/collects/datalog/tests/private/lex.rkt
index 72776c8db9..d16f18de3d 100644
--- a/collects/datalog/tests/private/lex.rkt
+++ b/collects/datalog/tests/private/lex.rkt
@@ -1,5 +1,5 @@
 #lang racket
-(require racketunit
+(require rackunit
          parser-tools/lex
          "../../private/lex.rkt")
 
diff --git a/collects/datalog/tests/private/subst.rkt b/collects/datalog/tests/private/subst.rkt
index d475348645..aee5a3ad79 100644
--- a/collects/datalog/tests/private/subst.rkt
+++ b/collects/datalog/tests/private/subst.rkt
@@ -1,5 +1,5 @@
 #lang racket
-(require racketunit
+(require rackunit
          "../../private/subst.rkt"
          "../../ast.rkt"
          "../../private/env.rkt")
diff --git a/collects/datalog/tests/private/unify.rkt b/collects/datalog/tests/private/unify.rkt
index db37e61589..5121bbfbe1 100644
--- a/collects/datalog/tests/private/unify.rkt
+++ b/collects/datalog/tests/private/unify.rkt
@@ -1,5 +1,5 @@
 #lang racket
-(require racketunit
+(require rackunit
          "../../ast.rkt"
          "../../private/env.rkt"
          "../../private/unify.rkt")
diff --git a/collects/datalog/tests/private/variant.rkt b/collects/datalog/tests/private/variant.rkt
index 1c28fbd597..ddcdaf5cb3 100644
--- a/collects/datalog/tests/private/variant.rkt
+++ b/collects/datalog/tests/private/variant.rkt
@@ -1,5 +1,5 @@
 #lang racket
-(require racketunit
+(require rackunit
          "../../ast.rkt"
          "../../private/variant.rkt")
 (require/expose "../../private/variant.rkt" (variant-terms variant-term variant-var variant? term-hash mk-literal-hash))
diff --git a/collects/datalog/tests/runtime.rkt b/collects/datalog/tests/runtime.rkt
index 0727dd5d78..bf1389989a 100644
--- a/collects/datalog/tests/runtime.rkt
+++ b/collects/datalog/tests/runtime.rkt
@@ -1,5 +1,5 @@
 #lang racket
-(require racketunit
+(require rackunit
          "../parse.rkt"
          "util.rkt"
          "../runtime.rkt")
diff --git a/collects/datalog/tests/sexp.rkt b/collects/datalog/tests/sexp.rkt
index 64e34807f7..06df0c51f4 100644
--- a/collects/datalog/tests/sexp.rkt
+++ b/collects/datalog/tests/sexp.rkt
@@ -1,5 +1,5 @@
 #lang racket
-(require racketunit
+(require rackunit
          "../ast.rkt"
          "util.rkt"
          "../sexp.rkt")
diff --git a/collects/datalog/tests/tool/syntax-color.rkt b/collects/datalog/tests/tool/syntax-color.rkt
index 3d251d65b0..16b05f98d0 100644
--- a/collects/datalog/tests/tool/syntax-color.rkt
+++ b/collects/datalog/tests/tool/syntax-color.rkt
@@ -1,5 +1,5 @@
 #lang racket
-(require racketunit
+(require rackunit
          "../../tool/syntax-color.rkt")
 
 (provide syntax-color-tests)
diff --git a/collects/datalog/tests/util.rkt b/collects/datalog/tests/util.rkt
index 6787d94264..0702e1ad06 100644
--- a/collects/datalog/tests/util.rkt
+++ b/collects/datalog/tests/util.rkt
@@ -1,5 +1,5 @@
 #lang racket
-(require racketunit
+(require rackunit
          "../ast.rkt")
 
 (provide test-literal test-clause)