diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 220485a2..da1253ed 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -98,7 +98,7 @@ jobs:
       - name: run fuzz
         timeout-minutes: 330
         run: |
-          cargo fuzz run fuzz_read -- -timeout=10s -fork=2 -runs=100000000 -max_len=1024 -dict=fuzz/fuzz.dict
+          cargo fuzz run fuzz_read -- -timeout=10s -fork=2 -runs=100000000 -max_len=2048 -dict=fuzz/fuzz.dict
           cargo fuzz run fuzz_read -- -timeout=10s -fork=2 -runs=50000000 -max_len=4096 -dict=fuzz/fuzz.dict
           cargo fuzz run fuzz_read -- -timeout=10s -fork=2 -runs=20000000 -max_len=5000 -dict=fuzz/fuzz.dict
       - name: Upload any failure inputs
@@ -127,7 +127,7 @@ jobs:
       - name: run fuzz
         timeout-minutes: 330
         run: |
-          cargo fuzz run --no-default-features fuzz_read -- -timeout=10s -fork=2 -runs=100000000 -max_len=1024 -dict=fuzz/fuzz.dict
+          cargo fuzz run --no-default-features fuzz_read -- -timeout=10s -fork=2 -runs=100000000 -max_len=4096 -dict=fuzz/fuzz.dict
           cargo fuzz run --no-default-features fuzz_read -- -timeout=10s -fork=2 -runs=20000000 -max_len=32768 -dict=fuzz/fuzz.dict
       - name: Upload any failure inputs
         if: always()