diff --git a/README.md b/README.md
index bcbd3dace..3603f59b8 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 A fully asynchronous, [futures]-based Kafka client library for Rust based on [librdkafka].
 
 ## The library
-`rust-rdkafka` provides a safe Rust interface to librdkafka. The master branch is currently based on librdkafka 0.11.1.
+`rust-rdkafka` provides a safe Rust interface to librdkafka. The master branch is currently based on librdkafka 0.11.3.
 
 ### Documentation
 
diff --git a/coverage.sh b/coverage.sh
index 125f84296..83ec20a81 100755
--- a/coverage.sh
+++ b/coverage.sh
@@ -26,23 +26,38 @@ echo -e "${GREEN}*** Rebuilding tests ***${NC}"
 cargo test --no-run
 pushd rdkafka-sys && cargo test --no-run && popd
 
-echo -e "${GREEN}*** Run coverage on unit tests ***${NC}"
-kcov $KCOV_ARGS "$RDKAFKA_UNIT_TESTS"*
-if [ "$?" != "0" ]; then
-    echo -e "${RED}*** Failure during unit test converage ***${NC}"
-    exit 1
-fi
-
-kcov $KCOV_ARGS "$RDKAFKASYS_UNIT_TESTS"*
-if [ "$?" != "0" ]; then
-    echo -e "${RED}*** Failure during rdkafka-sys unit test converage ***${NC}"
-    exit 1
-fi
+echo -e "${GREEN}*** Run coverage on rdkafka unit tests ***${NC}"
+for test_file in `ls "$RDKAFKA_UNIT_TESTS"*`
+do
+    if [[ ! -x "$test_file" ]]; then
+        continue
+    fi
+    kcov $KCOV_ARGS "$test_file"
+    if [ "$?" != "0" ]; then
+        echo -e "${RED}*** Failure during unit test converage ***${NC}"
+        exit 1
+    fi
+done
 
-echo -e "${GREEN}*** Run coverage on integration tests ***${NC}"
+echo -e "${GREEN}*** Run coverage on rdkafka-sys unit tests ***${NC}"
+for test_file in `ls "$RDKAFKASYS_UNIT_TESTS"*`
+do
+    if [[ ! -x "$test_file" ]]; then
+        continue
+    fi
+    kcov $KCOV_ARGS "$test_file"
+    if [ "$?" != "0" ]; then
+        echo -e "${RED}*** Failure during rdkafka-sys unit test converage ***${NC}"
+        exit 1
+    fi
+done
 
+echo -e "${GREEN}*** Run coverage on rdkafka integration tests ***${NC}"
 for test_file in `ls "$INTEGRATION_TESTS"*`
 do
+    if [[ ! -x "$test_file" ]]; then
+        continue
+    fi
     echo -e "${GREEN}Executing "$test_file"${NC}"
     kcov $KCOV_ARGS "$test_file"
     if [ "$?" != "0" ]; then
diff --git a/src/lib.rs b/src/lib.rs
index 15615b6cc..a17ff2765 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2,7 +2,7 @@
 //! A fully asynchronous, [futures]-based Kafka client library for Rust based on [librdkafka].
 //!
 //! ## The library
-//! `rust-rdkafka` provides a safe Rust interface to librdkafka. The master branch is currently based on librdkafka 0.11.1.
+//! `rust-rdkafka` provides a safe Rust interface to librdkafka. The master branch is currently based on librdkafka 0.11.3.
 //!
 //! ### Documentation
 //!