diff --git a/java/ql/test/library-tests/dataflow/records/options b/java/ql/test/library-tests/dataflow/records/options
index 266b0eadc5e..81817b37785 100644
--- a/java/ql/test/library-tests/dataflow/records/options
+++ b/java/ql/test/library-tests/dataflow/records/options
@@ -1 +1 @@
-//semmle-extractor-options: --javac-args --enable-preview -source 14 -target 14
+//semmle-extractor-options: --javac-args --enable-preview -source 15 -target 15
diff --git a/java/ql/test/library-tests/dataflow/taint-format/options b/java/ql/test/library-tests/dataflow/taint-format/options
index 814f667417c..81817b37785 100644
--- a/java/ql/test/library-tests/dataflow/taint-format/options
+++ b/java/ql/test/library-tests/dataflow/taint-format/options
@@ -1 +1 @@
-//semmle-extractor-options: --javac-args --enable-preview -source 14 -target 14
\ No newline at end of file
+//semmle-extractor-options: --javac-args --enable-preview -source 15 -target 15
diff --git a/java/ql/test/library-tests/printAst/options b/java/ql/test/library-tests/printAst/options
index 266b0eadc5e..81817b37785 100644
--- a/java/ql/test/library-tests/printAst/options
+++ b/java/ql/test/library-tests/printAst/options
@@ -1 +1 @@
-//semmle-extractor-options: --javac-args --enable-preview -source 14 -target 14
+//semmle-extractor-options: --javac-args --enable-preview -source 15 -target 15
diff --git a/java/ql/test/library-tests/ssa/options b/java/ql/test/library-tests/ssa/options
index 266b0eadc5e..81817b37785 100644
--- a/java/ql/test/library-tests/ssa/options
+++ b/java/ql/test/library-tests/ssa/options
@@ -1 +1 @@
-//semmle-extractor-options: --javac-args --enable-preview -source 14 -target 14
+//semmle-extractor-options: --javac-args --enable-preview -source 15 -target 15
diff --git a/java/ql/test/query-tests/StringFormat/options b/java/ql/test/query-tests/StringFormat/options
index 266b0eadc5e..81817b37785 100644
--- a/java/ql/test/query-tests/StringFormat/options
+++ b/java/ql/test/query-tests/StringFormat/options
@@ -1 +1 @@
-//semmle-extractor-options: --javac-args --enable-preview -source 14 -target 14
+//semmle-extractor-options: --javac-args --enable-preview -source 15 -target 15