diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 90205d0e..a1f585ec 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -119,7 +119,7 @@ jobs:
         uses: actions-rs/cargo@v1
         with:
           command: fuzz
-          args: run --all-features fuzz_read -- fuzz/corpus/fuzz_read -timeout=10s -fork=2 -runs=25000000 -max_len=20000 -max_total_time=19800 -dict=fuzz/fuzz.dict
+          args: run --all-features fuzz_read -- fuzz/corpus/fuzz_read -timeout=10s -fork=2 -runs=25000000 -max_len=70000 -max_total_time=19800 -dict=fuzz/fuzz.dict
       - name: Upload any failure inputs
         if: always()
         uses: actions/upload-artifact@v4
@@ -132,7 +132,7 @@ jobs:
         uses: actions-rs/cargo@v1
         with:
           command: fuzz
-          args: cmin --all-features fuzz_read fuzz/corpus/fuzz_read -- -max_len=20000 -dict=fuzz/fuzz.dict fuzz/corpus/new_seed
+          args: cmin --all-features fuzz_read fuzz/corpus/fuzz_read -- -max_len=70000 -dict=fuzz/fuzz.dict fuzz/corpus/new_seed
       - name: Upload updated seed corpus
         if: always()
         uses: actions/upload-artifact@v4
@@ -167,7 +167,7 @@ jobs:
         uses: actions-rs/cargo@v1
         with:
           command: fuzz
-          args: run --no-default-features fuzz_read fuzz/corpus/fuzz_read -- -timeout=10s -fork=2 -runs=40000000 -max_total_time=19800 -max_len=20000 -dict=fuzz/fuzz.dict
+          args: run --no-default-features fuzz_read fuzz/corpus/fuzz_read -- -timeout=10s -fork=2 -runs=40000000 -max_total_time=19800 -max_len=70000 -dict=fuzz/fuzz.dict
       - name: Upload any failure inputs
         if: always()
         uses: actions/upload-artifact@v4
@@ -180,7 +180,7 @@ jobs:
         uses: actions-rs/cargo@v1
         with:
           command: fuzz
-          args: cmin --no-default-features fuzz_read fuzz/corpus/fuzz_read -- -max_len=20000 -dict=fuzz/fuzz.dict fuzz/corpus/new_seed
+          args: cmin --no-default-features fuzz_read fuzz/corpus/fuzz_read -- -max_len=70000 -dict=fuzz/fuzz.dict fuzz/corpus/new_seed
       - name: Upload updated seed corpus
         if: always()
         uses: actions/upload-artifact@v4